Weather in Minnehaha County, South Dakota for August 2026
Until now, August 2026 in Minnehaha County has been nearly identical to the historical average, with a temperature of 28.4 °F (showing only a slight deviation of 0.4 °F).
The forecast for the upcoming days in Minnehaha County predicts a temperature of 31 °F, which is slightly above the historical average.
In general, the average temperature in Minnehaha County at the beginning of August is 28 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 30.9 °F by the end of August.
The climate of Minnehaha County in August is notably wet, with an average of 14 rainy days, and a total of 105.9 mm of precipitation.
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Minnehaha County Weather August
Temperatures trend during August in Minnehaha County
August weather in Minnehaha County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Overcast | 28° /15° | 0.1 mm | 7 | |
| Aug. 2 |  Patchy rain possible | 30° /15° | 0.2 mm | 8 | |
| Aug. 3 |  Sunny | 31° /18° | 3.3 mm | 8 | |
| Aug. 4 |  Moderate or heavy rain shower | 29° /17° | 8.2 mm | 8 | |
| Aug. 5 | Moderate or heavy rain shower | 26° /15° | 14.6 mm | 7 | |
| Aug. 6 | Moderate rain at times | 25° /15° | 2.2 mm | 7 | |
| Aug. 7 | Overcast | 27° /16° | 5.4 mm | 7 | |
| Aug. 8 | Overcast | 28° /15° | 0.4 mm | 7 | |
| Aug. 9 |  Heavy rain at times | 27° /15° | 0.6 mm | 7 | |
| Aug. 10 | Sunny | 34° /19° | 0 mm | 5.5 | |
| Aug. 11 | Sunny | 37° /20° | 24.3 mm | 6.3 | |
| Aug. 12 | Sunny | 31° /18° | 1.8 mm | 6.9 | |
| Aug. 13 |  Partly cloudy | 24° /18° | 2.2 mm | 5.5 | |
| Aug. 14 | Partly cloudy | 29° /15° | 0.6 mm | 6.2 | |
| Aug. 15 |  Fog | 32° /19° | 2.4 mm | 8 | |
| Aug. 16 | Sunny | 30° /14° | 0 mm | 8 | |
| Aug. 17 | Sunny | 33° /16° | 0.8 mm | 8 | |
| Aug. 18 | Sunny | 35° /18° | 2.1 mm | 9 | |
| Aug. 19 | Sunny | 41° /25° | 0 mm | 10 | |
| Aug. 20 | Sunny | 24° /17° | 3.9 mm | 5 | |
| Aug. 21 | Patchy rain possible | 25° /18° | 43.4 mm | 6 | |
| Aug. 22 | Overcast | 32° /16° | 0 mm | 8 | |
| Aug. 23 | Sunny | 27° /15° | 0.1 mm | 7 | |
| Aug. 24 | Patchy rain possible | 28° /16° | 0.3 mm | 6 | |
| Aug. 25 | Light rain shower | 32° /15° | 1.8 mm | 7 | |
| Aug. 26 | Overcast | 32° /13° | 0 mm | 7 | |
| Aug. 27 | Fog | 30° /13° | 0 mm | 7 | |
| Aug. 28 | Fog | 31° /13° | 0.2 mm | 7 | |
| Aug. 29 | Sunny | 30° /14° | 0.6 mm | 7 | |
| Aug. 30 | Sunny | 30° /15° | 9 mm | 7 | |
| Aug. 31 | Sunny | 31° /14° | 11.9 mm | 8 | |
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Minnehaha County in August - FAQ
What are the expected maximum and minimum temperatures in Minnehaha County during August?
How much rainfall should be expected in Minnehaha County during August?
What are the typical wind conditions in Minnehaha County during August?
August rainfall patterns in Minnehaha County
UV exposure in Minnehaha County during August
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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.