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