S
M
T
W
T
F
S
29
40°
23°
30
40°
28°
1
41°
28°
2
42°
27°
3
41°
28°
4
43°
27°
5
42°
24°
6
41°
26°
7
39°
21°
8
41°
28°
9
44°
32°
10
46°
29°
11
51°
25°
12
36°
21°
13
48°
31°
14
49°
32°
15
Hist. Avg.
38°
21°
16
Hist. Avg.
37°
20°
17
Hist. Avg.
37°
20°
18
Hist. Avg.
36°
20°
19
Hist. Avg.
36°
20°
20
Hist. Avg.
36°
19°
21
Hist. Avg.
36°
19°
22
Hist. Avg.
36°
19°
23
Hist. Avg.
35°
19°
24
Hist. Avg.
35°
19°
25
Hist. Avg.
35°
18°
26
Hist. Avg.
35°
18°
27
Hist. Avg.
34°
18°
28
Hist. Avg.
34°
18°
29
Hist. Avg.
34°
18°
30
Hist. Avg.
34°
18°
31
Hist. Avg.
34°
17°
1
Hist. Avg.
34°
17°
2
Hist. Avg.
34°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Thomasboro
Thomasboro's December 2026 forecast shows daily high temperatures ranging from 36° to 51°, with overnight lows between 21° and 32°. The average high for December is 43° 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 Thomasboro. See also: January | February | March.