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