Weather in Rapid City in August

The weather in Rapid City in August is cold, when degrees are between 16 and 31 and there are 11 days of rain and 1 days of snow in average. Therefore, if you are planning a trip to Rapid City in August, warm clothes and gloves are highly recommended.
Avg Temp
16° - 31°
Avg Rainy Days
11
Avg Dry Days
20
Avg Snow Days
1
Full weather report for today ››

Weather forecast for the next 14 days ››

Weather Facts - Rapid City in August

* The warmest temperature recorded in in August is 42°C
* The coldest temperature recorded in Rapid City in August is 5°C
* The average rainfall in Rapid City in August is 63 mm

Yearly Average for Rapid City

Max Temp
Min Temp
Rainy Days
Jan.
5°
(-8°)
7
Feb.
4°
(-8°)
7
March
10°
(-3°)
11
April
16°
2°
12
May
20°
7°
15
June
26°
13°
15
July
33°
18°
13
August
31°
16°
11
Sep.
25°
10°
10
Oct.
16°
4°
10
Nov.
9°
(-3°)
7
Dec.
4°
(-8°)
5

Average Temperature in Rapid City