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