S
M
T
W
T
F
S
29
39°
26°
30
38°
24°
1
34°
23°
2
32°
24°
3
32°
22°
4
31°
22°
5
32°
21°
6
33°
22°
7
33°
21°
8
35°
20°
9
34°
20°
10
32°
21°
11
33°
20°
12
31°
19°
13
28°
17°
14
24°
17°
15
28°
18°
16
29°
18°
17
33°
17°
18
31°
18°
19
29°
17°
20
28°
16°
21
25°
15°
22
24°
16°
23
29°
14°
24
27°
11°
25
18°
6°
26
20°
10°
27
23°
8°
28
26°
11°
29
27°
3°
30
26°
-2°
31
21°
-2°
1
14°
-3°
2
15°
3°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Shell Lake
Shell Lake's December 2026 forecast shows daily high temperatures ranging from 14° to 39°, with overnight lows between -3° and 26°. The average high for December is 28° with an average low of 15°. 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 Shell Lake. See also: January | February | March.
