S
M
T
W
T
F
S
29
41°
36°
30
45°
35°
1
48°
34°
2
39°
33°
3
39°
34°
4
44°
31°
5
44°
25°
6
33°
24°
7
33°
30°
8
39°
33°
9
39°
32°
10
40°
33°
11
44°
32°
12
43°
31°
13
38°
25°
14
31°
24°
15
30°
24°
16
33°
30°
17
37°
30°
18
42°
31°
19
43°
31°
20
39°
30°
21
39°
29°
22
32°
28°
23
36°
29°
24
41°
29°
25
30°
18°
26
31°
15°
27
32°
20°
28
31°
22°
29
33°
24°
30
34°
15°
31
31°
15°
1
31°
17°
2
29°
13°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Basom
Basom's December 2026 forecast shows daily high temperatures ranging from 29° to 48°, with overnight lows between 13° and 36°. The average high for December is 37° with an average low of 27°. 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 Basom. See also: January | February | March.