S
M
T
W
T
F
S
29
76°
53°
30
74°
49°
1
73°
40°
2
60°
38°
3
62°
39°
4
65°
50°
5
70°
44°
6
62°
40°
7
61°
40°
8
59°
38°
9
58°
36°
10
60°
37°
11
61°
39°
12
63°
41°
13
67°
47°
14
64°
39°
15
64°
38°
16
62°
43°
17
67°
38°
18
61°
35°
19
58°
34°
20
58°
37°
21
60°
42°
22
65°
36°
23
66°
35°
24
58°
35°
25
61°
36°
26
59°
36°
27
61°
44°
28
63°
36°
29
61°
35°
30
59°
35°
31
60°
33°
1
58°
35°
2
59°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Thomaston
Thomaston's December 2026 forecast shows daily high temperatures ranging from 58° to 76°, with overnight lows between 33° and 53°. The average high for December is 63° with an average low of 39°. 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 Thomaston. See also: January | February | March.
