Average data for 10 years
1 August
Thursday
+21°
+15°
2 August
Friday
+19°
+16°
3 August
Saturday
+20°
+16°
4 August
Sunday
+21°
+16°
5 August
Monday
+20°
+15°
6 August
Tuesday
+20°
+16°
7 August
Wednesday
+19°
+15°
8 August
Thursday
+20°
+15°
9 August
Friday
+20°
+16°
10 August
Saturday
+20°
+16°
11 August
Sunday
+21°
+16°
12 August
Monday
+21°
+17°
13 August
Tuesday
+21°
+17°
14 August
Wednesday
+21°
+16°
15 August
Thursday
+20°
+17°
16 August
Friday
+19°
+16°
17 August
Saturday
+20°
+16°
18 August
Sunday
+19°
+16°
19 August
Monday
+18°
+15°
20 August
Tuesday
+20°
+15°
21 August
Wednesday
+20°
+15°
22 August
Thursday
+20°
+17°
23 August
Friday
+18°
+15°
24 August
Saturday
+20°
+15°
25 August
Sunday
+19°
+16°
26 August
Monday
+19°
+15°
27 August
Tuesday
+19°
+16°
28 August
Wednesday
+20°
+16°
29 August
Thursday
+21°
+16°
30 August
Friday
+20°
+16°
31 August
Saturday
+19°
+16°
Cities near you
United States
Duluth
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Minocqua
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Cloquet
Cities with similar weather in August
Finland
Helsinki
Latvia
Riga
Sweden
Stockholm
Latvia
Yurmala
Lithuania
Palanga
August in Thunder Bay is the sunniest and the warmest month of the year. In August, the weather in Thunder Bay is typically warm. Average daily high temperature in August is about 20 degrees above zero. On average, Thunder Bay has 13 sunny, 13 partly cloudy, 3 rainy, and 2 cloudy days in August. The rains are usually light. August as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Thunder Bay.