S
M
T
W
T
F
S
29
48°
34°
30
49°
34°
1
48°
32°
2
48°
31°
3
42°
31°
4
46°
30°
5
46°
31°
6
41°
29°
7
36°
24°
8
33°
20°
9
32°
22°
10
37°
25°
11
39°
29°
12
40°
27°
13
38°
27°
14
32°
20°
15
34°
22°
16
37°
26°
17
39°
25°
18
35°
21°
19
36°
17°
20
31°
14°
21
30°
13°
22
28°
19°
23
33°
23°
24
33°
21°
25
34°
11°
26
32°
8°
27
27°
7°
28
26°
8°
29
26°
11°
30
27°
19°
31
28°
13°
1
33°
9°
2
26°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Thayer
Thayer's December 2026 forecast shows daily high temperatures ranging from 26° to 49°, with overnight lows between 6° and 34°. The average high for December is 36° with an average low of 21°. 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 Thayer. See also: January | February | March.
