Weather in Brown County, South Dakota for August 2026
Until now, August 2026 in Brown County has been nearly identical to the historical average, with a temperature of 28.9 °F (showing only a slight deviation of 0.2 °F).
The forecast for the next days in Brown County predicts temperatures to be around 30 °F, close to the historical average.
In general, the average temperature in Brown County at the beginning of August is 28.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 26.1 °F by the end of August.
With an average of 5 rainy days, Brown County experiences minimal rainfall in August.
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Brown County Weather August
Temperatures trend during August in Brown County
August weather in Brown County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Overcast | 27° /14° | 0 mm | 8 | |
| Aug. 2 | Moderate or heavy rain shower | 27° /16° | 1.5 mm | 6 | |
| Aug. 3 | Thundery outbreaks possible | 29° /18° | 0.1 mm | 7 | |
| Aug. 4 | Fog | 27° /14° | 0 mm | 9 | |
| Aug. 5 | Thundery outbreaks possible | 28° /14° | 0 mm | 8 | |
| Aug. 6 | Thundery outbreaks possible | 31° /17° | 0.1 mm | 10 | |
| Aug. 7 | Mist | 30° /17° | 0 mm | 9 | |
| Aug. 8 | Moderate or heavy rain with thunder | 31° /15° | 4.2 mm | 8 | |
| Aug. 9 | Mist | 29° /17° | 0.1 mm | 10 | |
| Aug. 10 | Sunny | 28° /14° | 0.3 mm | 9 | |
| Aug. 11 | Sunny | 32° /16° | 0.9 mm | 9 | |
| Aug. 12 | Sunny | 31° /18° | 0.4 mm | 5.7 | |
| Aug. 13 | Sunny | 33° /18° | 0 mm | 6.4 | |
| Aug. 14 | Sunny | 30° /20° | 0.1 mm | 3.5 | |
| Aug. 15 | Sunny | 29° /18° | 0.2 mm | 4.7 | |
| Aug. 16 | Sunny | 32° /17° | 0 mm | 8 | |
| Aug. 17 | Sunny | 38° /18° | 0.6 mm | 9 | |
| Aug. 18 | Sunny | 33° /18° | 1 mm | 8 | |
| Aug. 19 | Sunny | 37° /19° | 0 mm | 9 | |
| Aug. 20 | Sunny | 28° /17° | 0 mm | 7 | |
| Aug. 21 | Sunny | 21° /14° | 0.4 mm | 6 | |
| Aug. 22 | Sunny | 32° /12° | 0 mm | 8 | |
| Aug. 23 | Sunny | 22° /15° | 5.7 mm | 6 | |
| Aug. 24 | Sunny | 28° /13° | 0 mm | 7 | |
| Aug. 25 | Partly cloudy | 27° /16° | 0 mm | 7 | |
| Aug. 26 | Partly cloudy | 26° /10° | 0 mm | 7 | |
| Aug. 27 | Fog | 28° /13° | 0 mm | 7 | |
| Aug. 28 | Sunny | 29° /15° | 0 mm | 7 | |
| Aug. 29 | Heavy rain at times | 25° /16° | 21.5 mm | 3 | |
| Aug. 30 | Light rain shower | 26° /17° | 3.1 mm | 5 | |
| Aug. 31 | Fog | 22° /15° | 0 mm | 2 | |
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Brown County in August - FAQ
What are the expected maximum and minimum temperatures in Brown County during August?
How much rainfall should be expected in Brown County during August?
What are the typical wind conditions in Brown County during August?
August rainfall patterns in Brown County
UV exposure in Brown County during August
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Get accurate weather forecasts for Brown County, located at latitude 45.465 and longitude -98.486. Stay updated with localized weather information tailored for Brown County.