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