Average data for 10 years
1 May
Wednesday
+7°
+3°
2 May
Thursday
+10°
+4°
3 May
Friday
+8°
+6°
4 May
Saturday
+8°
+4°
5 May
Sunday
+8°
+4°
6 May
Monday
+9°
+5°
7 May
Tuesday
+9°
+5°
8 May
Wednesday
+8°
+4°
9 May
Thursday
+9°
+4°
10 May
Friday
+9°
+5°
11 May
Saturday
+8°
+5°
12 May
Sunday
+9°
+4°
13 May
Monday
+8°
+5°
14 May
Tuesday
+10°
+5°
15 May
Wednesday
+10°
+5°
16 May
Thursday
+10°
+6°
17 May
Friday
+10°
+8°
18 May
Saturday
+11°
+6°
19 May
Sunday
+12°
+7°
20 May
Monday
+10°
+8°
21 May
Tuesday
+12°
+7°
22 May
Wednesday
+12°
+7°
23 May
Thursday
+14°
+8°
24 May
Friday
+12°
+9°
25 May
Saturday
+12°
+8°
26 May
Sunday
+12°
+7°
27 May
Monday
+11°
+7°
28 May
Tuesday
+13°
+7°
29 May
Wednesday
+10°
+8°
30 May
Thursday
+11°
+7°
31 May
Friday
+11°
+7°
Cities near you
United States
Duluth
United States
Hayward
United States
Ashland
Canada
Dryden
United States
Minocqua
Cities with similar weather in May
Finland
Helsinki
Estonia
Tallinn
Sweden
Stockholm
Kyrgyzstan
Cholpon-Ata
Iceland
Reykyavik
May in Thunder Bay is the rainiest month of the year. In May, the weather in Thunder Bay is typically warm. Average daily high temperature in May is about 10 degrees above zero. On average, Thunder Bay has 11 rainy, 8 partly cloudy, 6 sunny, and 6 cloudy days in May. The rains are usually moderate. May as well as January, February, April, and October is considered the most uncomfortable time to visit Thunder Bay.