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