Weather in December, Thunder Bay

Average temperature in month:-7.3o
Minimum temperature:-26o
Maximum temperature:+9o

2025 year December

Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 1
Cloudy-2.7o
2
Mostly Cloudy-0.7o
3
Mostly Cloudy-2.7o
4
Cloudy-1.7o
5
Sunny-1.7o
6
Breezy-5.5o
7
Partly Cloudy-6.5o
8
-6o
9
Partly Cloudy-7.3o
10
Partly Cloudy-7.5o
11
Partly Cloudy-8.5o
12
Partly Cloudy-6.5o
13
Cloudy-6.8o
14
Partly Cloudy-7.5o
15
Mostly Cloudy-8o
16
Snow-8.8o
17
Cloudy-8.7o
18
Mostly Cloudy-9.3o
19
Cloudy-7o
20
Cloudy-5.2o
21
Cloudy-6.5o
22
Light Snow-6o
23
Mostly Cloudy-5o
24
Cloudy-7.2o
25
Mostly Cloudy-9.8o
26
Mostly Cloudy-9.2o
27
Sunny-10.4o
28
Cloudy-11o
29
Partly Cloudy-13.3o
30
Cloudy-15.2o
31
Partly Cloudy-15o