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