S
M
T
W
T
F
S
29
34°
19°
30
33°
18°
1
33°
18°
2
34°
19°
3
34°
22°
4
38°
24°
5
40°
26°
6
35°
28°
7
33°
26°
8
32°
25°
9
32°
23°
10
31°
22°
11
46°
29°
12
42°
25°
13
47°
22°
14
46°
19°
15
31°
18°
16
33°
17°
17
31°
21°
18
34°
27°
19
40°
29°
20
43°
30°
21
44°
28°
22
44°
27°
23
43°
30°
24
46°
28°
25
47°
20°
26
47°
18°
27
32°
18°
28
33°
23°
29
39°
26°
30
41°
28°
31
43°
30°
1
44°
28°
2
44°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Thomas
Thomas's December 2026 forecast shows daily high temperatures ranging from 31° to 47°, with overnight lows between 17° and 30°. The average high for December is 39° with an average low of 24°. 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 Thomas. See also: January | February | March.
