S
M
T
W
T
F
S
29
31°
24°
30
32°
29°
1
36°
30°
2
40°
29°
3
35°
28°
4
32°
27°
5
35°
28°
6
37°
25°
7
30°
23°
8
29°
24°
9
34°
27°
10
36°
25°
11
30°
26°
12
36°
27°
13
38°
26°
14
33°
24°
15
32°
17°
16
25°
20°
17
26°
20°
18
27°
24°
19
33°
24°
20
34°
18°
21
29°
18°
22
34°
24°
23
35°
23°
24
31°
23°
25
29°
6°
26
25°
14°
27
21°
18°
28
27°
15°
29
26°
17°
30
24°
22°
31
33°
20°
1
33°
19°
2
31°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Corner Brook
Corner Brook's December 2026 forecast shows daily high temperatures ranging from 21° to 40°, with overnight lows between 6° and 30°. The average high for December is 31° with an average low of 22°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Corner Brook. See also: January | February | March.
