Minnehaha County (Sioux Falls)
August
Weather in Minnehaha County, South Dakota for August 2025
Your guide to Minnehaha County weather in August - trends and predictions
Meteorological - Air Quality Alert - See hour by hour.
The forecast for the next days in Minnehaha County predicts temperatures to be around 28 °F, close to the historical average.
In general, the average temperature in Minnehaha County at the beginning of August is 27.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 34 °F by the end of August.
The climate of Minnehaha County in August is notably wet, with an average of 11 rainy days, and a total of 74.1 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
More
20
Dry days
11
Rainy days
0
Snow days
29°/16°
Temperatures
22 km/h
Avg max wind
64 %
Avg humidity
Minnehaha County Weather August
Move between months or click on a day
Temperatures trend during August in Minnehaha County
See the weather trend as well as the moving average line
August weather in Minnehaha County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Partly cloudy | 25° /12° | 0 mm | 1.6 | |
| Aug. 2 |  Sunny | 28° /13° | 0 mm | 1.1 | |
| Aug. 3 |  Moderate rain | 26° /18° | 9.8 mm | 0.8 | |
| Aug. 4 | Moderate rain | 20° /17° | 14.2 mm | 1.2 | |
| Aug. 5 |  Patchy rain possible | 28° /17° | 1.1 mm | 0 | |
| Aug. 6 | Moderate rain | 31° /20° | 8.6 mm | 5 | |
| Aug. 7 | Sunny | 33° /22° | 0 mm | 7 | |
| Aug. 8 | Sunny | 33° /21° | 0 mm | 7 | |
| Aug. 9 | Partly cloudy | 28° /19° | 0 mm | 6 | |
| Aug. 10 | Partly cloudy | 26° /16° | 0 mm | 6 | |
| Aug. 11 | Sunny | 24° /12° | 0 mm | 5 | |
| Aug. 12 | Sunny | 27° /11° | 0 mm | 5 | |
| Aug. 13 | Patchy rain possible | 33° /15° | 0.2 mm | 5 | |
| Aug. 14 | Patchy rain possible | 34° /17° | 2.1 mm | 5 | |
| Aug. 15 |  Overcast | 27° /14° | 0 mm | 6 | |
| Aug. 16 | Partly cloudy | 30° /15° | 0 mm | 7 | |
| Aug. 17 | Sunny | 25° /14° | 0 mm | 6 | |
| Aug. 18 | Overcast | 28° /13° | 0 mm | 6 | |
| Aug. 19 | Patchy rain possible | 32° /17° | 0.1 mm | 8 | |
| Aug. 20 | Overcast | 25° /17° | 0.2 mm | 6 | |
| Aug. 21 |  Cloudy | 33° /16° | 0.6 mm | 7 | |
| Aug. 22 | Sunny | 35° /19° | 1.3 mm | 9 | |
| Aug. 23 | Partly cloudy | 35° /19° | 0.7 mm | 8 | |
| Aug. 24 | Patchy rain possible | 31° /20° | 0.4 mm | 7 | |
| Aug. 25 | Light rain shower | 38° /19° | 2.7 mm | 8 | |
| Aug. 26 | Overcast | 35° /18° | 0 mm | 8 | |
| Aug. 27 | Sunny | 31° /13° | 0 mm | 7 | |
| Aug. 28 |  Mist | 34° /14° | 0.3 mm | 8 | |
| Aug. 29 | Sunny | 32° /14° | 0.9 mm | 8 | |
| Aug. 30 | Sunny | 32° /15° | 0 mm | 8 | |
| Aug. 31 | Sunny | 36° /14° | 0 mm | 9 | |
| Next | |||||
Important Notice
Our weather forecast for Minnehaha County in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Minnehaha County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Minnehaha County in August - FAQ
What are the expected maximum and minimum temperatures in Minnehaha County during August?
During August, expect a variety of temperatures with highs around 29° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Minnehaha County during August?
Moderate rainfall is anticipated in Minnehaha County during August, with a total of 74.1 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Minnehaha County during August?
The average wind speed in Minnehaha County during August is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Minnehaha County
Explore the daily rainfall trends and prepare for Minnehaha Countys August weather 💧
UV exposure in Minnehaha County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Top locations in Minnehaha County
Select a location for an accurate weather forecast
More Locations Quick links
More Minnehaha County weather pages
You are here
Where is Minnehaha County?Get accurate weather forecasts for Minnehaha County, located at latitude 43.55 and longitude -96.7. Stay updated with localized weather information tailored for Minnehaha County.
Found a mistake?
We appreciate your attention to details. Tell us here.