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