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August Weather in South Dakota United States

We show the August climate in South Dakota by comparing the average August weather in 3 representative places: Sioux Falls, Rapid City, and Aberdeen.

You can add or remove cities to customize the report to your liking. See all locations in South Dakota.

Sioux Falls
United States
Rapid City
United States
Aberdeen
United States
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Average High and Low Temperature in August in South Dakota

Average High and Low Temperature in August in South DakotaAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313135°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°FJulSep6362588382796160568786828454Rapid CityRapid CitySioux FallsSioux FallsAberdeenAberdeen
The daily average high and low air temperature at 2 meters above the ground. The thin dotted lines are the corresponding perceived temperatures.

Sioux Falls in August

Average Hourly Temperature in Sioux Falls in AugustAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJulSepcoldcoolcomfortablecomfortablewarmcoolcold

Rapid City in August

Average Hourly Temperature in Rapid City in AugustAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJulSepcoldcoolcomfortablewarmcoolcoldcomfortable

Aberdeen in August

Average Hourly Temperature in Aberdeen in AugustAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJulSepcoldcoolcomfortablewarmcoldcomfortable
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.

Chance of Clearer Skies in August in South Dakota

Chance of Clearer Skies in August in South DakotaAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JulSep73707075Rapid CityRapid CitySioux FallsSioux Falls
The percentage of time the sky is clear, mostly clear, or partly cloudy (i.e., less than 60% of the sky is covered by clouds).

Daily Chance of Precipitation in August in South Dakota

Daily Chance of Precipitation in August in South DakotaAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JulSep3030292216Rapid CityRapid CitySioux FallsSioux FallsAberdeenAberdeen
The percentage of days in which precipitation is observed, excluding trace quantities.

Average Monthly Rainfall in August in South Dakota

Average Monthly Rainfall in August in South DakotaAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in3.0 in3.0 in3.5 in3.5 inJulSep2.62.62.51.51.31.12.32.22.0Rapid CityRapid CitySioux FallsSioux FallsAberdeenAberdeen
The average rainfall accumulated over the course of a sliding 31-day period centered on the day in question.

Hours of Daylight in August in South Dakota

Hours of Daylight in August in South DakotaAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr0 hr4 hr4 hr8 hr8 hr12 hr12 hr16 hr16 hr20 hr20 hr24 hr24 hrJulSep14.513.913.2Rapid CityRapid CitySioux FallsSioux FallsAberdeenAberdeen
The number of hours during which the Sun is at least partly above the horizon.

Chance of Muggy Conditions in August in South Dakota

Chance of Muggy Conditions in August in South DakotaAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JulSep363222211252214Rapid CityRapid CitySioux FallsSioux FallsAberdeenAberdeen
The percentage of time that is muggy, oppressive, or miserable (i.e., a dew point greater than 65°F).

Average Wind Speed in August in South Dakota

Average Wind Speed in August in South DakotaAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mph8 mph8 mph9 mph9 mph10 mph10 mph11 mph11 mph12 mph12 mphJulSep9.19.410.37.77.88.0Rapid CityRapid CitySioux FallsSioux FallsAberdeenAberdeen
The average of mean hourly wind speeds at 10 meters above the ground.

Tourism Score in August in South Dakota

Tourism Score in August in South DakotaAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313100224466881010JulSep6.96.86.3Rapid CityRapid CitySioux FallsSioux FallsAberdeenAberdeen
The tourism score, which favors clear, rainless days with perceived temperatures between 65°F and 80°F.

Beach/Pool Score in August in South Dakota

Beach/Pool Score in August in South DakotaAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313100224466881010JulSep5.14.73.7Rapid CityRapid CitySioux FallsSioux Falls
The beach/pool score, which favors clear, rainless days with perceived temperatures between 75°F and 90°F.

Growing Season in August in South Dakota

Growing Season in August in South DakotaAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%20%20%40%40%60%60%80%80%100%100%JulSepRapid CityRapid CitySioux FallsSioux FallsAberdeenAberdeen
The percentage chance that a given day is within the growing season, defined 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).

Growing Degree Days in August in South Dakota

Growing Degree Days in August in South DakotaAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031311,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°F3,000°F3,000°FJulSepRapid CityRapid CitySioux FallsSioux FallsAberdeenAberdeen
The average growing degree days accumulated over the course of August, where growing degree days are defined as the integral of warmth above a base temperature (50°F in this case).

Average Daily Incident Shortwave Solar Energy in August in South Dakota

Average Daily Incident Shortwave Solar Energy in August in South DakotaAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhJulSep6.76.25.66.55.9Rapid CityRapid CitySioux FallsSioux FallsAberdeenAberdeen
The average daily shortwave solar energy reaching the ground per square meter.

This report illustrates the typical weather for Sioux Falls, Rapid City, and Aberdeen, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

The details of the data sources used on this page vary between places and are discussed in detail on each place's dedicated page:

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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