S
M
T
W
T
F
S
29
44°
32°
30
45°
33°
1
46°
34°
2
44°
32°
3
46°
30°
4
42°
25°
5
44°
30°
6
44°
30°
7
43°
28°
8
35°
25°
9
34°
25°
10
34°
24°
11
33°
28°
12
36°
25°
13
36°
26°
14
32°
20°
15
35°
20°
16
33°
22°
17
34°
25°
18
35°
26°
19
38°
24°
20
36°
15°
21
34°
18°
22
31°
19°
23
29°
19°
24
33°
20°
25
30°
17°
26
30°
13°
27
28°
10°
28
26°
8°
29
27°
5°
30
27°
16°
31
29°
19°
1
39°
14°
2
31°
12°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Thompson
Thompson's December 2026 forecast shows daily high temperatures ranging from 26° to 46°, with overnight lows between 5° and 34°. The average high for December is 36° with an average low of 22°. 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 Thompson. See also: January | February | March.
