Average data for 10 years
1 August
Thursday
+28°
+21°
2 August
Friday
+29°
+22°
3 August
Saturday
+30°
+23°
4 August
Sunday
+28°
+23°
5 August
Monday
+29°
+23°
6 August
Tuesday
+29°
+23°
7 August
Wednesday
+29°
+22°
8 August
Thursday
+28°
+21°
9 August
Friday
+28°
+21°
10 August
Saturday
+28°
+21°
11 August
Sunday
+28°
+21°
12 August
Monday
+27°
+21°
13 August
Tuesday
+28°
+21°
14 August
Wednesday
+29°
+22°
15 August
Thursday
+29°
+23°
16 August
Friday
+28°
+22°
17 August
Saturday
+28°
+21°
18 August
Sunday
+28°
+21°
19 August
Monday
+27°
+21°
20 August
Tuesday
+26°
+20°
21 August
Wednesday
+27°
+20°
22 August
Thursday
+28°
+21°
23 August
Friday
+27°
+21°
24 August
Saturday
+29°
+21°
25 August
Sunday
+29°
+21°
26 August
Monday
+29°
+21°
27 August
Tuesday
+27°
+22°
28 August
Wednesday
+26°
+21°
29 August
Thursday
+26°
+20°
30 August
Friday
+25°
+20°
31 August
Saturday
+26°
+19°
August in Montana is the sunniest and the warmest month of the year. In August, the weather in Montana is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Montana has 30 sunny and 1 rainy day in August. The rains are usually light. August as well as July and September is considered the most comfortable time to visit Montana.