Weather in Saint Louis in August

The weather in Saint Louis in August is extremely hot, while temperatures can easily rise above 32 degrees. This hot weather is not advisable for long walks and outdoors activity, so please prepare for summer conditions with water and comfortable light clothes for a trip in Saint Louis during August.
Avg Temp
21° - 32°
Avg Rainy Days
12
Avg Dry Days
19
Avg Snow Days
0
Full weather report for today ››

Weather forecast for the next 14 days ››

Weather Facts - Saint Louis in August

* The warmest temperature recorded in in August is 41°C
* The coldest temperature recorded in Saint Louis in August is 11°C
* The average rainfall in Saint Louis in August is 74 mm

Yearly Average for Saint Louis

Max Temp
Min Temp
Rainy Days
Jan.
7°
(-4°)
15
Feb.
9°
(-3°)
12
March
15°
2°
15
April
21°
8°
17
May
26°
13°
18
June
30°
19°
14
July
32°
21°
13
August
32°
21°
12
Sep.
28°
15°
10
Oct.
22°
9°
12
Nov.
14°
3°
12
Dec.
8°
(-3°)
14

Average Temperature in Saint Louis