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Summer Weather at Jasper County Airport Indiana, United States

Daily high temperatures are around 81°F, rarely falling below 68°F or exceeding 93°F. The highest daily average high temperature is 84°F on July 18.

Daily low temperatures are around 61°F, rarely falling below 47°F or exceeding 72°F. The highest daily average low temperature is 64°F on July 18.

For reference, on July 18, the hottest day of the year, temperatures at Jasper County Airport typically range from 64°F to 84°F, while on January 29, the coldest day of the year, they range from 19°F to 34°F.

Average High and Low Temperature in the Summer at Jasper County Airport

Average High and Low Temperature in the Summer at Jasper County AirportJunJulAug35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°FSpringFallJul 1884°FJul 1884°F64°F64°FJun 178°FJun 178°F57°F57°FAug 3181°FAug 3181°F60°F60°FJul 184°FJul 184°F63°F63°FAug 183°FAug 183°F63°F63°F
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.

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

Average Hourly Temperature in the Summer at Jasper County Airport

Average Hourly Temperature in the Summer at Jasper County AirportJunJulAug12 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 AMSpringFallcoldcoldcoolcoolcoolcoolcomfortablewarm
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 (5,242 miles away) is the far-away foreign place with temperatures most similar to Jasper County Airport (view comparison).

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The summer at Jasper County Airport experiences rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 48% to 32%. The lowest chance of overcast or mostly cloudy conditions is 31% on August 25.

The clearest day of the summer is August 25, with clear, mostly clear, or partly cloudy conditions 69% of the time.

For reference, on December 28, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 59%, while on August 25, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 69%.

Cloud Cover Categories in the Summer at Jasper County Airport

Cloud Cover Categories in the Summer at Jasper County AirportJunJulAug0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SpringFallDec 2841%Dec 2841%Jun 152%Jun 152%Aug 3168%Aug 3168%Jul 162%Jul 162%Aug 167%Aug 167%clearmostly 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.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Jasper County Airport, the chance of a wet day over the course of the summer is rapidly decreasing, starting the season at 39% and ending it at 32%.

For reference, the year's highest daily chance of a wet day is 40% on May 27, and its lowest chance is 17% on January 30.

Probability of Precipitation in the Summer at Jasper County Airport

Probability of Precipitation in the Summer at Jasper County AirportJunJulAug0%0%5%5%10%10%15%15%20%20%25%25%30%30%35%35%40%40%45%45%SpringFallJun 139%Jun 139%Aug 3132%Aug 3132%Jul 136%Jul 136%Aug 136%Aug 136%rain
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).

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the summer at Jasper County Airport is decreasing, starting the season at 4.0 inches, when it rarely exceeds 6.4 inches or falls below 1.7 inches, and ending the season at 3.2 inches, when it rarely exceeds 6.2 inches or falls below 1.2 inches.

The highest average 31-day accumulation is 4.0 inches on June 3.

Average Monthly Rainfall in the Summer at Jasper County Airport

Average Monthly Rainfall in the Summer at Jasper County AirportJunJulAug0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 in7 in7 inSpringFallJun 24.0 inJun 24.0 inAug 313.2 inAug 313.2 inJul 13.6 inJul 13.6 inAug 13.3 inAug 13.3 in
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.

Over the course of the summer at Jasper County Airport, the length of the day is rapidly decreasing. From the start to the end of the season, the length of the day decreases by 1 hour, 49 minutes, implying an average daily decrease of 1 minute, 12 seconds, and weekly decrease of 8 minutes, 25 seconds.

The shortest day of the summer is August 31, with 13 hours, 7 minutes of daylight and the longest day is June 20, with 15 hours, 7 minutes of daylight.

Hours of Daylight and Twilight in the Summer at Jasper County Airport

Hours of Daylight and Twilight in the Summer at Jasper County AirportJunJulAug0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSpringFallJun 2015 hr, 7 minJun 2015 hr, 7 minnightnightdaydayAug 3113 hr, 7 minAug 3113 hr, 7 minAug 114 hr, 19 minAug 114 hr, 19 min
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.

The earliest sunrise of the summer at Jasper County Airport is 5:16 AM on June 13 and the latest sunrise is 59 minutes later at 6:15 AM on August 31.

The latest sunset is 8:24 PM on June 26 and the earliest sunset is 1 hour, 3 minutes earlier at 7:21 PM on August 31.

Daylight saving time is observed at Jasper County Airport during 2024, but it neither starts nor ends during the summer, so the entire season is in standard time.

For reference, on June 20, the longest day of the year, the Sun rises at 5:16 AM and sets 15 hours, 7 minutes later, at 8:24 PM, while on December 21, the shortest day of the year, it rises at 7:10 AM and sets 9 hours, 14 minutes later, at 4:24 PM.

Sunrise & Sunset with Twilight in the Summer at Jasper County Airport

Sunrise & Sunset with Twilight in the Summer at Jasper County AirportJunJulAug2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMSpringFall5:16 AM5:16 AMJun 138:21 PMJun 138:21 PM6:15 AM6:15 AMAug 317:21 PMAug 317:21 PM5:20 AM5:20 AMJul 18:24 PMJul 18:24 PM5:45 AM5:45 AMAug 18:04 PMAug 18:04 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day in the summer. 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 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 in the Summer at Jasper County Airport

Solar Elevation and Azimuth in the Summer at Jasper County AirportJunJulAug12 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 AMSpringFall00102020303040505060607000101020303040405060
northeastsouthwest
Solar elevation and azimuth in the the summer of 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 the summer of 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. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in the Summer at Jasper County Airport

Moon Rise, Set & Phases in the Summer at Jasper County AirportJunJulAug12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSpringFallMay 710:23 PMMay 710:23 PMMay 238:54 AMMay 238:54 AMJun 67:38 AMJun 67:38 AMJun 218:09 PMJun 218:09 PMJul 55:58 PMJul 55:58 PMJul 215:18 AMJul 215:18 AMAug 46:14 AMAug 46:14 AMAug 191:26 PMAug 191:26 PMSep 28:56 PMSep 28:56 PMSep 179:35 PMSep 179:35 PM5:06 AM5:06 AM7:46 PM7:46 PM7:39 PM7:39 PM5:03 AM5:03 AM4:54 AM4:54 AM9:08 PM9:08 PM8:44 PM8:44 PM5:21 AM5:21 AM8:49 PM8:49 PM8:18 PM8:18 PM5:24 AM5:24 AM5:40 AM5:40 AM8:33 PM8:33 PM8:00 PM8:00 PM6:56 AM6:56 AM7:23 PM7:23 PM6:50 PM6:50 PM7:04 AM7:04 AM
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.

The chance that a given day will be muggy at Jasper County Airport is rapidly increasing during the summer, rising from 17% to 37% over the course of the season.

The highest chance of a muggy day during the summer is 55% on July 26.

For reference, on July 26, the muggiest day of the year, there are muggy conditions 55% of the time, while on December 12, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in the Summer at Jasper County Airport

Humidity Comfort Levels in the Summer at Jasper County AirportJunJulAug0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SpringFallJul 2655%Jul 2655%Jun 117%Jun 117%Aug 3137%Aug 3137%Jul 144%Jul 144%oppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydrymiserablemiserable
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.

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 Jasper County Airport is decreasing during the summer, decreasing from 9.5 miles per hour to 8.0 miles per hour over the course of the season.

For reference, on March 22, the windiest day of the year, the daily average wind speed is 12.5 miles per hour, while on August 2, the calmest day of the year, the daily average wind speed is 7.3 miles per hour.

The lowest daily average wind speed during the summer is 7.3 miles per hour on August 2.

Average Wind Speed in the Summer at Jasper County Airport

Average Wind Speed in the Summer at Jasper County AirportJunJulAug0 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mphSpringFallAug 27.3 mphAug 27.3 mphJun 19.5 mphJun 19.5 mphAug 318.0 mphAug 318.0 mphJul 18.2 mphJul 18.2 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction at Jasper County Airport throughout the summer is predominantly from the south, with a peak proportion of 35% on August 29.

Wind Direction in the Summer at Jasper County Airport

Wind Direction in the Summer at Jasper County AirportJunJulAug0%100%20%80%40%60%60%40%80%20%100%0%SpringFallwestsoutheastnorth
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).

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 Jasper County Airport typically lasts for 5.8 months (177 days), from around April 19 to around October 14, rarely starting before April 3 or after May 6, and rarely ending before September 25 or after November 2.

The summer at Jasper County Airport is reliably fully within the growing season.

Time Spent in Various Temperature Bands and the Growing Season in the Summer at Jasper County Airport

Time Spent in Various Temperature Bands and the Growing Season in the Summer at Jasper County Airportgrowing seasonJunJulAug0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SpringFall100%Jul 17100%Jul 1790%May 690%May 690%Sep 2590%Sep 25coldcoolcomfortablewarmhotvery 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 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.

The average accumulated growing degree days at Jasper County Airport are very rapidly increasing during the summer, increasing by 1,978°F, from 650°F to 2,628°F, over the course of the season.

Growing Degree Days in the Summer at Jasper County Airport

Growing Degree Days in the Summer at Jasper County AirportJunJulAug1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°FSpringFallJun 1650°FJun 1650°FAug 312,628°FAug 312,628°FJul 11,274°FJul 11,274°FAug 11,996°FAug 11,996°F
The average growing degree days accumulated over the course of the summer, 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 at Jasper County Airport is gradually decreasing during the summer, falling by 0.9 kWh, from 6.5 kWh to 5.6 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 6.9 kWh on June 30.

Average Daily Incident Shortwave Solar Energy in the Summer at Jasper County Airport

Average Daily Incident Shortwave Solar Energy in the Summer at Jasper County AirportJunJulAug0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhSpringFallJun 306.9 kWhJun 306.9 kWhJun 16.5 kWhJun 16.5 kWhAug 315.6 kWhAug 315.6 kWhAug 16.4 kWhAug 16.4 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Jasper County Airport are 40.941 deg latitude, -87.182 deg longitude, and 669 ft elevation.

The topography within 2 miles of Jasper County Airport contains only modest variations in elevation, with a maximum elevation change of 98 feet and an average elevation above sea level of 670 feet. Within 10 miles also contains only modest variations in elevation (371 feet). Within 50 miles also contains only modest variations in elevation (489 feet).

The area within 2 miles of Jasper County Airport is covered by cropland (87%) and artificial surfaces (13%), within 10 miles by cropland (97%), and within 50 miles by cropland (87%).

This report illustrates the typical weather at Jasper County 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

Jasper County 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 Purdue University Airport, Porter County Regional Airport, Starke County Airport, Logansport Cass County Airport, Vermilion County Airport, Greater Kankakee Airport, Lansing Municipal Airport, and Fulton County 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.

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