Weather in Sioux Falls in August
The weather in Sioux Falls in August varies radically. Daytime is relatively hot since temperatures get higher than 29 degrees, while the nights are much colder and there are no more than 15 degrees. Therefore, it is recommended to pack for both warm and chilly conditions
Avg Temp
15° - 29°
Avg Rainy Days
13
Avg Dry Days
18
Avg Snow Days
0
Weather Facts - Sioux Falls in August
* The warmest temperature recorded in in August is 38°C
* The coldest temperature recorded in Sioux Falls in August is 4°C
* The average rainfall in Sioux Falls in August is 81 mm