S
M
T
W
T
F
S
29
30°
20°
30
36°
27°
1
40°
26°
2
40°
25°
3
32°
23°
4
32°
22°
5
38°
23°
6
34°
18°
7
27°
17°
8
35°
22°
9
38°
22°
10
37°
23°
11
37°
23°
12
40°
22°
13
39°
21°
14
33°
12°
15
25°
10°
16
23°
14°
17
26°
17°
18
34°
20°
19
35°
20°
20
36°
19°
21
33°
20°
22
37°
18°
23
34°
17°
24
32°
18°
25
25°
5°
26
26°
7°
27
21°
8°
28
24°
9°
29
23°
17°
30
33°
18°
31
34°
17°
1
34°
16°
2
33°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Miramichi
Miramichi's December 2026 forecast shows daily high temperatures ranging from 21° to 40°, with overnight lows between 5° and 27°. The average high for December is 32° with an average low of 18°. 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 Miramichi. See also: January | February | March.
