S
M
T
W
T
F
S
29
35°
25°
30
37°
17°
1
27°
14°
2
26°
7°
3
25°
5°
4
20°
4°
5
19°
7°
6
20°
9°
7
23°
9°
8
24°
13°
9
25°
12°
10
24°
10°
11
22°
13°
12
23°
13°
13
25°
7°
14
24°
0°
15
19°
-3°
16
15°
3°
17
18°
17°
18
30°
16°
19
30°
15°
20
33°
16°
21
29°
18°
22
32°
16°
23
34°
13°
24
30°
10°
25
24°
11°
26
26°
13°
27
27°
13°
28
28°
12°
29
28°
13°
30
30°
10°
31
30°
6°
1
25°
6°
2
16°
7°
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 15° to 37°, with overnight lows between -3° and 25°. The average high for December is 26° with an average low of 11°. 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.
