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Climate and Average Weather Year Round at Indianapolis Executive Airport Indiana, United States

At Indianapolis Executive Airport, the summers are long, warm, humid, and wet; the winters are freezing, snowy, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 21°F to 84°F and is rarely below 2°F or above 92°F.

Based on the tourism score, the best time of year to visit Indianapolis Executive Airport for warm-weather activities is from early June to mid September.

Climate at Indianapolis Executive Airport

very coldcoldcoolwarmcoolcoldJanFebMarAprMayJunJulAugSepOctNovDecNowNow69%69%40%40%clearovercastprecipitation: 4.2 inprecipitation: 4.2 in1.9 in1.9 inmuggy: 57%muggy: 57%0%0%drydrytourism score: 6.5tourism score: 6.50.10.1
Indianapolis Executive Airport weather by month. Click on each chart for more information.

The warm season lasts for 4.0 months, from May 20 to September 20, with an average daily high temperature above 75°F. The hottest month of the year at Indianapolis Executive Airport is July, with an average high of 84°F and low of 65°F.

The cold season lasts for 3.1 months, from November 29 to March 1, with an average daily high temperature below 45°F. The coldest month of the year at Indianapolis Executive Airport is January, with an average low of 22°F and high of 36°F.

Average High and Low Temperature at Indianapolis Executive Airport

Average High and Low Temperature at Indianapolis Executive AirportwarmcoldcoldJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FJan 2935°FJan 2935°FJul 1884°FJul 1884°F21°F21°F65°F65°FMay 2075°FMay 2075°FSep 2075°FSep 2075°FNov 2945°FNov 2945°FMar 145°FMar 145°F55°F55°F53°F53°F31°F31°F28°F28°FNowNow
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.
AverageJanFebMarAprMayJunJulAugSepOctNovDec
High 36°F40°F51°F63°F73°F81°F84°F82°F76°F64°F51°F39°F
Temp. 28°F31°F41°F52°F63°F72°F74°F72°F65°F54°F43°F32°F
Low 22°F24°F33°F43°F54°F62°F65°F61°F54°F44°F35°F26°F

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature at Indianapolis Executive Airport

Average Hourly Temperature at Indianapolis Executive AirportJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNowNowfreezingvery coldvery coldcoldcoldcoolcoolcomfortablewarmfreezingfreezingvery cold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Bucharest, Romania (5,255 miles away) is the far-away foreign place with temperatures most similar to Indianapolis Executive Airport (view comparison).

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At Indianapolis Executive Airport, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year at Indianapolis Executive Airport begins around June 13 and lasts for 4.5 months, ending around October 29.

The clearest month of the year at Indianapolis Executive Airport is August, during which on average the sky is clear, mostly clear, or partly cloudy 68% of the time.

The cloudier part of the year begins around October 29 and lasts for 7.5 months, ending around June 13.

The cloudiest month of the year at Indianapolis Executive Airport is January, during which on average the sky is overcast or mostly cloudy 59% of the time.

Cloud Cover Categories at Indianapolis Executive Airport

Cloud Cover Categories at Indianapolis Executive AirportclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Aug 2269%Aug 2269%Jan 240%Jan 240%Jun 1355%Jun 1355%Oct 2955%Oct 2955%NowNowclearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.
FractionJanFebMarAprMayJunJulAugSepOctNovDec
Cloudier 59%58%54%50%50%44%36%32%33%40%51%58%
Clearer 41%42%46%50%50%56%64%68%67%60%49%42%

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Indianapolis Executive Airport varies throughout the year.

The wetter season lasts 5.0 months, from March 24 to August 25, with a greater than 30% chance of a given day being a wet day. The month with the most wet days at Indianapolis Executive Airport is June, with an average of 12.1 days with at least 0.04 inches of precipitation.

The drier season lasts 7.0 months, from August 25 to March 24. The month with the fewest wet days at Indianapolis Executive Airport is January, with an average of 6.5 days with at least 0.04 inches of precipitation.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The month with the most days of rain alone at Indianapolis Executive Airport is June, with an average of 12.1 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 41% on June 7.

Daily Chance of Precipitation at Indianapolis Executive Airport

Daily Chance of Precipitation at Indianapolis Executive AirportwetdrydryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jun 741%Jun 741%Jan 2820%Jan 2820%Mar 2430%Mar 2430%Aug 2530%Aug 2530%NowNowrainsnow
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).
Days ofJanFebMarAprMayJunJulAugSepOctNovDec
Rain 3.8d3.9d7.4d10.2d12.0d12.1d12.1d10.3d7.9d7.5d7.1d5.7d
Mixed 1.0d1.1d0.8d0.2d0.0d0.0d0.0d0.0d0.0d0.1d0.4d0.9d
Snow 1.6d1.2d0.4d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.2d1.2d
Any 6.5d6.2d8.6d10.4d12.0d12.1d12.1d10.3d7.9d7.6d7.7d7.7d

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Indianapolis Executive Airport experiences significant seasonal variation in monthly rainfall.

Rain falls throughout the year at Indianapolis Executive Airport. The month with the most rain at Indianapolis Executive Airport is June, with an average rainfall of 4.1 inches.

The month with the least rain at Indianapolis Executive Airport is February, with an average rainfall of 1.6 inches.

Average Monthly Rainfall at Indianapolis Executive Airport

Average Monthly Rainfall at Indianapolis Executive AirportJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in2 in2 in4 in4 in6 in6 in8 in8 inJun 104.2 inJun 104.2 inFeb 31.4 inFeb 31.4 inNov 112.9 inNov 112.9 inNowNow
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall 1.7″1.6″2.6″3.7″4.0″4.1″3.5″3.1″2.9″2.8″2.9″2.4″

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Indianapolis Executive Airport experiences significant seasonal variation in monthly snowfall.

The snowy period of the year lasts for 4.2 months, from November 22 to March 29, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow at Indianapolis Executive Airport is February, with an average snowfall of 4.0 inches.

The snowless period of the year lasts for 7.8 months, from March 29 to November 22. The least snow falls around July 17, with an average total accumulation of 0.0 inches.

Average Monthly Snowfall at Indianapolis Executive Airport

Average Monthly Snowfall at Indianapolis Executive AirportsnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 inFeb 54.2 inFeb 54.2 inJul 170.0 inJul 170.0 inNov 221.0 inNov 221.0 inMar 291.0 inMar 291.0 in
The average snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average rainfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Snowfall 3.8″4.0″1.9″0.3″0.0″0.0″0.0″0.0″0.0″0.1″0.5″3.1″

The length of the day at Indianapolis Executive Airport varies significantly over the course of the year. In 2024, the shortest day is December 21, with 9 hours, 19 minutes of daylight; the longest day is June 20, with 15 hours, 1 minute of daylight.

Hours of Daylight and Twilight at Indianapolis Executive Airport

Hours of Daylight and Twilight at Indianapolis Executive AirportJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 8 minMar 1912 hr, 8 minMar 1915 hr, 1 minJun 2015 hr, 1 minJun 2012 hr, 11 minSep 2212 hr, 11 minSep 229 hr, 19 minDec 219 hr, 19 minDec 21nightnightdayNowNow
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.
Hours ofJanFebMarAprMayJunJulAugSepOctNovDec
Daylight 9.7h10.7h12.0h13.3h14.4h15.0h14.7h13.7h12.4h11.1h10.0h9.4h

The earliest sunrise is at 6:15 AM on June 14, and the latest sunrise is 2 hours, 1 minute later at 8:15 AM on November 2. The earliest sunset is at 5:19 PM on December 6, and the latest sunset is 3 hours, 59 minutes later at 9:18 PM on June 27.

Daylight saving time (DST) is observed at Indianapolis Executive Airport during 2024, starting in the spring on March 10, lasting 7.8 months, and ending in the fall on November 3.

Sunrise & Sunset with Twilight and Daylight Saving Time at Indianapolis Executive Airport

Sunrise & Sunset with Twilight and Daylight Saving Time at Indianapolis Executive AirportJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 146:15 AMJun 146:15 AM9:18 PMJun 279:18 PMJun 27Dec 65:19 PMDec 65:19 PM8:15 AMNov 28:15 AMNov 2Mar 10DSTMar 10DSTDSTNov 3DSTNov 3daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of the year 2024. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth at Indianapolis Executive Airport

Solar Elevation and Azimuth at Indianapolis Executive AirportJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AM00010101010202020303030404040505060607000010101020202020303040405050602773NowNow
northeastsouthwest
Solar elevation and azimuth over the course of the year 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases.

Moon Rise, Set & Phases at Indianapolis Executive Airport

The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

Indianapolis Executive Airport experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 3.8 months, from May 27 to September 19, during which time the comfort level is muggy, oppressive, or miserable at least 14% of the time. The month with the most muggy days at Indianapolis Executive Airport is July, with 16.8 days that are muggy or worse.

The least muggy day of the year is February 10, when muggy conditions are essentially unheard of.

Humidity Comfort Levels at Indianapolis Executive Airport

Humidity Comfort Levels at Indianapolis Executive AirportmuggyJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Feb 100%Feb 100%Jul 2657%Jul 2657%May 2714%May 2714%Sep 1914%Sep 1914%NowNowoppressiveoppressivemuggymuggydrydrycomfortablecomfortablemiserablemiserable
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.
JanFebMarAprMayJunJulAugSepOctNovDec
Muggy days 0.0d0.0d0.0d0.2d2.6d10.1d16.8d14.3d5.6d0.6d0.0d0.0d

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Indianapolis Executive Airport experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 7.4 months, from October 9 to May 23, with average wind speeds of more than 9.6 miles per hour. The windiest month of the year at Indianapolis Executive Airport is March, with an average hourly wind speed of 12.1 miles per hour.

The calmer time of year lasts for 4.6 months, from May 23 to October 9. The calmest month of the year at Indianapolis Executive Airport is August, with an average hourly wind speed of 7.2 miles per hour.

Average Wind Speed at Indianapolis Executive Airport

Average Wind Speed at Indianapolis Executive AirportwindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mph16 mph16 mph18 mph18 mph20 mph20 mphMar 3112.3 mphMar 3112.3 mphJul 307.0 mphJul 307.0 mphOct 99.6 mphOct 99.6 mphMay 239.6 mphMay 239.6 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Wind Speed (mph) 12.011.812.111.710.08.47.47.28.410.011.111.5

The predominant average hourly wind direction at Indianapolis Executive Airport varies throughout the year.

The wind is most often from the south for 3.0 months, from March 31 to June 29 and for 3.6 months, from August 12 to November 30, with a peak percentage of 38% on November 13. The wind is most often from the west for 1.5 months, from June 29 to August 12 and for 4.0 months, from November 30 to March 31, with a peak percentage of 34% on July 19.

Wind Direction at Indianapolis Executive Airport

Wind Direction at Indianapolis Executive AirportWSWSWJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestsoutheastnorth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

To characterize how pleasant the weather is at Indianapolis Executive Airport throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Indianapolis Executive Airport for general outdoor tourist activities is from early June to mid September, with a peak score in the last week of August.

Tourism Score at Indianapolis Executive Airport

Tourism Score at Indianapolis Executive Airportbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.56.50.10.1NowNowtemperaturetemperature cloudscloudsprecipitationprecipitationtourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Indianapolis Executive Airport for hot-weather activities is from late June to late August, with a peak score in the third week of July.

Beach/Pool Score at Indianapolis Executive Airport

Beach/Pool Score at Indianapolis Executive Airportbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810105.55.50.00.0NowNowtemperaturetemperature cloudscloudsprecipitationprecipitationbeach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season at Indianapolis Executive Airport typically lasts for 6.0 months (182 days), from around April 13 to around October 12, rarely starting before March 27 or after April 29, and rarely ending before September 23 or after October 31.

Time Spent in Various Temperature Bands and the Growing Season at Indianapolis Executive Airport

Time Spent in Various Temperature Bands and the Growing Season at Indianapolis Executive Airportgrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Apr 1350%Apr 1350%Oct 1250%Oct 1290%Apr 2990%Apr 2990%Sep 2390%Sep 2310%Mar 2710%Mar 2710%Oct 3110%Oct 310%Feb 40%Feb 4Jul 11100%Jul 11100%NowNowfreezingvery coldcoolcomfortablewarmcoldhotfrigid
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Based on growing degree days alone, the first spring blooms at Indianapolis Executive Airport should appear around April 1, only rarely appearing before March 18 or after April 17.

Growing Degree Days at Indianapolis Executive Airport

Growing Degree Days at Indianapolis Executive AirportJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°F3,000°F3,000°F3,500°F3,500°FApr 188°FApr 188°FJun 11900°FJun 11900°FJul 201,800°FJul 201,800°FDec 313,458°FDec 313,458°FNowNow
The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 4.0 months, from April 29 to August 28, with an average daily incident shortwave energy per square meter above 5.8 kWh. The brightest month of the year at Indianapolis Executive Airport is July, with an average of 6.7 kWh.

The darker period of the year lasts for 3.2 months, from November 4 to February 10, with an average daily incident shortwave energy per square meter below 2.8 kWh. The darkest month of the year at Indianapolis Executive Airport is December, with an average of 1.8 kWh.

Average Daily Incident Shortwave Solar Energy at Indianapolis Executive Airport

Average Daily Incident Shortwave Solar Energy at Indianapolis Executive AirportbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJul 16.9 kWhJul 16.9 kWhDec 161.8 kWhDec 161.8 kWhApr 295.8 kWhApr 295.8 kWhAug 285.8 kWhAug 285.8 kWhNov 42.8 kWhNov 42.8 kWhFeb 102.8 kWhFeb 102.8 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Solar Energy (kWh) 2.13.04.25.46.26.76.76.25.13.72.41.8

For the purposes of this report, the geographical coordinates of Indianapolis Executive Airport are 40.040 deg latitude, -86.254 deg longitude, and 922 ft elevation.

The topography within 2 miles of Indianapolis Executive Airport contains only modest variations in elevation, with a maximum elevation change of 115 feet and an average elevation above sea level of 914 feet. Within 10 miles also contains only modest variations in elevation (223 feet). Within 50 miles contains only modest variations in elevation (794 feet).

The area within 2 miles of Indianapolis Executive Airport is covered by cropland (96%), within 10 miles by cropland (78%) and artificial surfaces (17%), and within 50 miles by cropland (82%).

This report illustrates the typical weather at Indianapolis Executive Airport, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

Indianapolis Executive Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back include but are not limited to Eagle Creek Airpark, Indianapolis International Airport, Kokomo Municipal Airport, Grissom Air Force Base / Peru, Shelbyville Municipal Airport, Logansport Cass County Airport, Purdue University Airport, and Delaware County Regional Airport.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

Please review our full terms contained on our Terms of Service page.