Weather in Boulder in August

The weather in Boulder in August varies radically. Daytime is relatively hot since temperatures get higher than 30 degrees, while the nights are much colder and there are no more than 12 degrees. Therefore, it is recommended to pack for both warm and chilly conditions
Avg Temp
12° - 30°
Avg Rainy Days
11
Avg Dry Days
20
Avg Snow Days
0
Full weather report for today ››

Weather forecast for the next 14 days ››

Weather Facts - Boulder in August

* The warmest temperature recorded in in August is 38°C
* The coldest temperature recorded in Boulder in August is 1°C
* The average rainfall in Boulder in August is 47 mm

Yearly Average for Boulder

Max Temp
Min Temp
Rainy Days
Jan.
8°
(-15°)
13
Feb.
9°
(-13°)
11
March
15°
(-8°)
9
April
18°
(-2°)
8
May
22°
5°
11
June
29°
9°
10
July
33°
14°
12
August
30°
12°
11
Sep.
27°
7°
10
Oct.
18°
(-1°)
15
Nov.
11°
(-6°)
10
Dec.
7°
(-11°)
11

Average Temperature in Boulder