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Climate and Average Weather Year Round in Haven Kansas, United States

In Haven, the summers are hot, humid, and mostly clear and the winters are very cold, snowy, windy, and partly cloudy. Over the course of the year, the temperature typically varies from 23°F to 93°F and is rarely below 8°F or above 103°F.

Based on the tourism score, the best time of year to visit Haven for warm-weather activities is from mid May to late September.

Climate in Haven

very coldcoldcoolwarmhotwarmcoolcoldJanFebMarAprMayJunJulAugSepOctNovDecNowNow73%73%53%53%clearovercastprecipitation: 4.3 inprecipitation: 4.3 in0.5 in0.5 inmuggy: 54%muggy: 54%0%0%drydrytourism score: 6.4tourism score: 6.40.30.3
Haven weather by month. Click on each chart for more information.

The hot season lasts for 3.4 months, from June 2 to September 14, with an average daily high temperature above 83°F. The hottest month of the year in Haven is July, with an average high of 93°F and low of 70°F.

The cold season lasts for 3.0 months, from November 24 to February 25, with an average daily high temperature below 52°F. The coldest month of the year in Haven is January, with an average low of 23°F and high of 43°F.

Average High and Low Temperature in Haven

Average High and Low Temperature in HavenhotcoldcoldJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°F110°F110°FJan 442°FJan 442°FJul 1993°FJul 1993°F23°F23°F70°F70°FJun 283°FJun 283°FSep 1483°FSep 1483°FNov 2452°FNov 2452°FFeb 2552°FFeb 2552°F61°F61°F60°F60°F32°F32°F29°F29°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 43°F49°F59°F68°F77°F88°F93°F90°F82°F70°F56°F44°F
Temp. 31°F35°F46°F56°F65°F76°F81°F79°F70°F57°F44°F33°F
Low 23°F27°F36°F46°F56°F65°F70°F68°F59°F47°F35°F25°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 in Haven

Average Hourly Temperature in HavenJanFebMarAprMayJunJulAugSepOctNovDec12 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 AMNowNowfreezingfreezingvery coldcoldcoldcoolcoolcomfortablewarmwarmhotfreezingvery coldfreezing
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.

Sumbatan-diza, Azerbaijan (6,654 miles away) and Arāk, Iran (7,050 miles) are the far-away foreign places with temperatures most similar to Haven (view comparison).

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In Haven, the average percentage of the sky covered by clouds experiences mild seasonal variation over the course of the year.

The clearer part of the year in Haven begins around June 4 and lasts for 5.1 months, ending around November 6.

The clearest month of the year in Haven is July, during which on average the sky is clear, mostly clear, or partly cloudy 72% of the time.

The cloudier part of the year begins around November 6 and lasts for 6.9 months, ending around June 4.

The cloudiest month of the year in Haven is February, during which on average the sky is overcast or mostly cloudy 46% of the time.

Cloud Cover Categories in Haven

Cloud Cover Categories in HavenclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jul 873%Jul 873%Feb 1553%Feb 1553%Jun 463%Jun 463%Nov 664%Nov 664%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 42%46%44%40%39%32%28%29%28%32%38%42%
Clearer 58%54%56%60%61%68%72%71%72%68%62%58%

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

The wetter season lasts 5.0 months, from April 9 to September 10, with a greater than 23% chance of a given day being a wet day. The month with the most wet days in Haven is June, with an average of 11.2 days with at least 0.04 inches of precipitation.

The drier season lasts 7.0 months, from September 10 to April 9. The month with the fewest wet days in Haven is January, with an average of 2.2 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. Based on this categorization, the most common form of precipitation in Haven changes throughout the year.

Rain alone is the most common for 11 months, from January 25 to December 21. The month with the most days of rain alone in Haven is June, with an average of 11.2 days.

Snow alone is the most common for 1.1 months, from December 21 to January 25. The month with the most days of snow alone in Haven is January, with an average of 1.0 days.

Daily Chance of Precipitation in Haven

Daily Chance of Precipitation in HavensnowrainJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jun 641%Jun 641%Jan 116%Jan 116%Dec 219%Dec 219%Apr 923%Apr 923%Sep 1023%Sep 1023%NowNowrainmixed
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 0.8d2.0d5.0d7.3d10.9d11.2d9.7d9.1d6.9d5.2d2.9d1.3d
Mixed 0.4d0.4d0.5d0.1d0.0d0.0d0.0d0.0d0.0d0.0d0.3d0.7d
Snow 1.0d0.7d0.3d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.2d0.9d
Any 2.2d3.1d5.8d7.5d10.9d11.2d9.7d9.1d6.9d5.2d3.3d2.9d

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. Haven experiences extreme seasonal variation in monthly rainfall.

The rainy period of the year lasts for 11 months, from February 2 to December 20, with a sliding 31-day rainfall of at least 0.5 inches. The month with the most rain in Haven is June, with an average rainfall of 4.1 inches.

The rainless period of the year lasts for 1.4 months, from December 20 to February 2. The month with the least rain in Haven is January, with an average rainfall of 0.3 inches.

Average Monthly Rainfall in Haven

Average Monthly Rainfall in HavenrainJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in2 in2 in4 in4 in6 in6 in8 in8 inJun 14.3 inJun 14.3 inJan 120.3 inJan 120.3 inDec 200.5 inDec 200.5 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 0.3″0.7″1.8″2.5″3.9″4.1″3.1″3.0″2.4″1.9″1.1″0.6″

Snowfall

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

The snowy period of the year lasts for 4.3 months, from November 18 to March 28, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow in Haven is December, with an average snowfall of 2.7 inches.

The snowless period of the year lasts for 7.7 months, from March 28 to November 18. The least snow falls around July 22, with an average total accumulation of 0.0 inches.

Average Monthly Snowfall in Haven

Average Monthly Snowfall in HavensnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 inJan 302.9 inJan 302.9 inJul 220.0 inJul 220.0 inDec 162.7 inDec 162.7 inMar 281.0 inMar 281.0 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 2.6″2.2″1.2″0.4″0.0″0.0″0.0″0.0″0.0″0.1″0.8″2.7″

The length of the day in Haven varies significantly over the course of the year. In 2024, the shortest day is December 21, with 9 hours, 32 minutes of daylight; the longest day is June 20, with 14 hours, 48 minutes of daylight.

Hours of Daylight and Twilight in Haven

Hours of Daylight and Twilight in HavenJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 7 minMar 1912 hr, 7 minMar 1914 hr, 48 minJun 2014 hr, 48 minJun 2012 hr, 10 minSep 2212 hr, 10 minSep 229 hr, 32 minDec 219 hr, 32 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 9.9h10.8h12.0h13.2h14.2h14.8h14.5h13.6h12.4h11.2h10.1h9.6h

The earliest sunrise is at 6:08 AM on June 13, and the latest sunrise is 1 hour, 50 minutes later at 7:58 AM on November 2. The earliest sunset is at 5:11 PM on December 5, and the latest sunset is 3 hours, 46 minutes later at 8:57 PM on June 27.

Daylight saving time (DST) is observed in Haven 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 in Haven

Sunrise & Sunset with Twilight and Daylight Saving Time in HavenJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 136:08 AMJun 136:08 AM8:57 PMJun 278:57 PMJun 27Dec 55:11 PMDec 55:11 PM7:58 AMNov 27:58 AMNov 2Mar 10DSTMar 10DSTDSTNov 3DSTNov 3daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
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 in Haven

Solar Elevation and Azimuth in HavenJanFebMarAprMayJunJulAugSepOctNovDec12 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 AM0001010101020202030303040404050506060700001010102020202030304040505060702976NowNow
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 in Haven

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.

Haven experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 3.8 months, from May 25 to September 19, during which time the comfort level is muggy, oppressive, or miserable at least 13% of the time. The month with the most muggy days in Haven is July, with 15.9 days that are muggy or worse.

The least muggy day of the year is January 31, when muggy conditions are essentially unheard of.

Humidity Comfort Levels in Haven

Humidity Comfort Levels in HavenmuggyJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jan 310%Jan 310%Jul 2354%Jul 2354%May 2513%May 2513%Sep 1913%Sep 1913%NowNowoppressiveoppressivemuggymuggyhumidhumiddrydrycomfortablecomfortable
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 0.0d0.0d0.0d0.3d2.9d10.3d15.9d13.6d5.1d0.6d0.0d0.0d

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 in Haven experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 3.2 months, from February 19 to May 25, with average wind speeds of more than 11.4 miles per hour. The windiest month of the year in Haven is April, with an average hourly wind speed of 12.7 miles per hour.

The calmer time of year lasts for 8.8 months, from May 25 to February 19. The calmest month of the year in Haven is August, with an average hourly wind speed of 10.0 miles per hour.

Average Wind Speed in Haven

Average Wind Speed in HavenwindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mph16 mph16 mph18 mph18 mph20 mph20 mph22 mph22 mphApr 313.0 mphApr 313.0 mphAug 59.8 mphAug 59.8 mphFeb 1911.4 mphFeb 1911.4 mphMay 2511.4 mphMay 2511.4 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) 11.011.412.412.711.711.210.510.011.211.411.410.9

The predominant average hourly wind direction in Haven varies throughout the year.

The wind is most often from the south for 8.6 months, from March 10 to November 28, with a peak percentage of 66% on July 4. The wind is most often from the north for 3.4 months, from November 28 to March 10, with a peak percentage of 39% on January 1.

Wind Direction in Haven

Wind Direction in HavenNSNJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowsouthnortheastwest
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 in Haven 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 Haven for general outdoor tourist activities is from mid May to late September, with a peak score in the first week of September.

Tourism Score in Haven

Tourism Score in Havenbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.46.40.30.36.26.2NowNowtemperaturetemperature 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 Haven for hot-weather activities is from mid June to late August, with a peak score in the third week of July.

Beach/Pool Score in Haven

Beach/Pool Score in Havenbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.26.20.00.0NowNowtemperaturetemperature 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 in Haven typically lasts for 6.5 months (200 days), from around April 6 to around October 23, rarely starting before March 18 or after April 25, and rarely ending before September 30 or after November 14.

Time Spent in Various Temperature Bands and the Growing Season in Haven

Time Spent in Various Temperature Bands and the Growing Season in Havengrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Apr 650%Apr 650%Oct 2350%Oct 2390%Apr 2590%Apr 2590%Sep 3090%Sep 3010%Mar 1810%Mar 1810%Nov 1410%Nov 140%Jan 280%Jan 28Jul 11100%Jul 11100%freezingvery coldcoolcomfortablewarmhotcoldfrigidsweltering
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 in Haven should appear around March 13, only rarely appearing before February 28 or after April 2.

Growing Degree Days in Haven

Growing Degree Days in HavenJanFebMarAprMayJunJulAugSepOctNovDec0°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°F4,000°F4,000°F4,500°F4,500°FMar 1386°FMar 1386°FMay 31900°FMay 31900°FJul 61,800°FJul 61,800°FDec 314,349°FDec 314,349°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 significant seasonal variation over the course of the year.

The brighter period of the year lasts for 3.9 months, from April 23 to August 20, with an average daily incident shortwave energy per square meter above 6.3 kWh. The brightest month of the year in Haven is July, with an average of 7.1 kWh.

The darker period of the year lasts for 3.1 months, from November 4 to February 8, with an average daily incident shortwave energy per square meter below 3.4 kWh. The darkest month of the year in Haven is December, with an average of 2.4 kWh.

Average Daily Incident Shortwave Solar Energy in Haven

Average Daily Incident Shortwave Solar Energy in HavenbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJul 77.3 kWhJul 77.3 kWhDec 212.4 kWhDec 212.4 kWhApr 236.3 kWhApr 236.3 kWhAug 206.3 kWhAug 206.3 kWhNov 43.4 kWhNov 43.4 kWhFeb 83.4 kWhFeb 83.4 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) 2.83.64.96.16.77.17.16.45.44.13.02.4

For the purposes of this report, the geographical coordinates of Haven are 37.899 deg latitude, -97.783 deg longitude, and 1,476 ft elevation.

The topography within 2 miles of Haven is essentially flat, with a maximum elevation change of 95 feet and an average elevation above sea level of 1,487 feet. Within 10 miles is essentially flat (184 feet). Within 50 miles contains only modest variations in elevation (791 feet).

The area within 2 miles of Haven is covered by cropland (93%), within 10 miles by cropland (70%) and grassland (27%), and within 50 miles by cropland (58%) and grassland (39%).

This report illustrates the typical weather in Haven, 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

There are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Haven.

For each station, the records are corrected for the elevation difference between that station and Haven according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Haven is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Haven and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Haven and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

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.