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
Full weather report for today ››

Weather forecast for the next 14 days ››

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

Yearly Average for Sioux Falls

Max Temp
Min Temp
Rainy Days
Jan.
(-1°)
(-13°)
10
Feb.
1°
(-11°)
9
March
8°
(-6°)
12
April
16°
1°
14
May
22°
8°
18
June
28°
14°
17
July
30°
16°
14
August
29°
15°
13
Sep.
25°
10°
12
Oct.
18°
3°
11
Nov.
8°
(-5°)
10
Dec.
0°
(-11°)
9

Average Temperature in Sioux Falls