S
M
T
W
T
F
S
29
52°
34°
30
53°
36°
1
53°
42°
2
54°
39°
3
57°
35°
4
53°
38°
5
53°
36°
6
52°
34°
7
49°
30°
8
48°
29°
9
48°
31°
10
52°
37°
11
51°
37°
12
48°
29°
13
48°
29°
14
Hist. Avg.
52°
33°
15
Hist. Avg.
52°
33°
16
Hist. Avg.
52°
33°
17
Hist. Avg.
52°
33°
18
Hist. Avg.
51°
33°
19
Hist. Avg.
51°
32°
20
Hist. Avg.
51°
32°
21
Hist. Avg.
51°
32°
22
Hist. Avg.
51°
32°
23
Hist. Avg.
50°
32°
24
Hist. Avg.
50°
32°
25
Hist. Avg.
50°
32°
26
Hist. Avg.
50°
32°
27
Hist. Avg.
50°
31°
28
Hist. Avg.
50°
31°
29
Hist. Avg.
50°
31°
30
Hist. Avg.
50°
31°
31
Hist. Avg.
50°
31°
1
Hist. Avg.
49°
31°
2
Hist. Avg.
49°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Jamestown
Jamestown's December 2026 forecast shows daily high temperatures ranging from 48° to 57°, with overnight lows between 29° and 42°. The average high for December is 51° with an average low of 34°. 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 Jamestown. See also: January | February | March.
