Sioux Falls Weather: August
 |
Average Day Temperature: | 86.2°F |
|
Average Night Temperature: | 66.8°F |
|
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 13.2 - 14.5 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.7 in | |
| detailed information | ||
14 day weather
forecast
forecast
| Sioux Falls |
When is the Best
Time to Visit?
Time to Visit?
| Sioux Falls |
Air Temperature in August, °F
The highest day temperature in August 2025 was 95°F. The lowest night temperature was 40°F. The average values for day and night temperatures during August were 83.5°F и 63.5°F respectivly.
Sunny, Cloudy and Gloomy days
Most of the days in August are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Sioux Falls is 0.7 in.
Wind Speed in August, mph
The average wind speed in August is 9.4 mph. It makes August one of the most windless months of the year for Sioux Falls.
Average Sunny Hours Per Day
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sioux Falls in August is 9.0 hours.
Sioux Falls on the Weather Map
USA Resorts:
NAME
F°
| Chicago |  |
+52 |
| Hawaii |  |
+76 |
| Honolulu | |
+76 |
| Houston |  |
+72 |
| Las Vegas |  |
+52 |
| Los Angeles | |
+60 |
| Maui | |
+72 |
| Miami | |
+82 |
| Miami Beach | |
+82 |
| New York | |
+48 |
| San Diego | |
+60 |
| San Francisco | |
+48 |
| Sarasota | |
+84 |
| Tampa | |
+78 |
| Washington | |
+52 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Sioux Falls
Local time: 11:03
18 dec, thursday
| 1200 |  |
14°F | E 21 mph |
| 1500 |  |
8°F | SE 27 mph |
| 1800 |  |
16°F | SE 27 mph |
| 2100 | |
12°F | SE 25 mph |
19 dec, friday
| 0000 | |
8°F | SE 20 mph |
| 0300 |  |
6°F | SE 13 mph |
| 0600 | |
6°F | S 7 mph |
| 0900 |  |
8°F | W 2 mph |