S
M
T
W
T
F
S
29
58°
36°
30
60°
42°
1
64°
44°
2
58°
40°
3
69°
34°
4
62°
33°
5
54°
34°
6
55°
36°
7
60°
42°
8
61°
43°
9
52°
32°
10
52°
31°
11
Hist. Avg.
58°
33°
12
Hist. Avg.
58°
33°
13
Hist. Avg.
57°
32°
14
Hist. Avg.
57°
32°
15
Hist. Avg.
57°
32°
16
Hist. Avg.
57°
32°
17
Hist. Avg.
56°
32°
18
Hist. Avg.
56°
32°
19
Hist. Avg.
56°
32°
20
Hist. Avg.
56°
32°
21
Hist. Avg.
55°
31°
22
Hist. Avg.
55°
31°
23
Hist. Avg.
55°
31°
24
Hist. Avg.
55°
31°
25
Hist. Avg.
55°
31°
26
Hist. Avg.
55°
31°
27
Hist. Avg.
54°
31°
28
Hist. Avg.
54°
31°
29
Hist. Avg.
54°
31°
30
Hist. Avg.
54°
31°
31
Hist. Avg.
54°
31°
1
Hist. Avg.
54°
31°
2
Hist. Avg.
54°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Thomson
Thomson's December 2026 forecast shows daily high temperatures ranging from 52° to 69°, with overnight lows between 31° and 44°. The average high for December is 59° with an average low of 37°. 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 Thomson. See also: January | February | March.
