S
M
T
W
T
F
S
29
40°
25°
30
40°
23°
1
39°
25°
2
38°
25°
3
38°
23°
4
39°
27°
5
37°
23°
6
38°
20°
7
34°
20°
8
32°
21°
9
33°
17°
10
36°
23°
11
39°
22°
12
36°
24°
13
Hist. Avg.
38°
26°
14
Hist. Avg.
37°
25°
15
Hist. Avg.
37°
25°
16
Hist. Avg.
37°
25°
17
Hist. Avg.
36°
24°
18
Hist. Avg.
36°
24°
19
Hist. Avg.
36°
24°
20
Hist. Avg.
36°
24°
21
Hist. Avg.
35°
23°
22
Hist. Avg.
35°
23°
23
Hist. Avg.
35°
23°
24
Hist. Avg.
35°
23°
25
Hist. Avg.
34°
22°
26
Hist. Avg.
34°
22°
27
Hist. Avg.
34°
22°
28
Hist. Avg.
34°
22°
29
Hist. Avg.
34°
21°
30
Hist. Avg.
34°
21°
31
Hist. Avg.
34°
21°
1
Hist. Avg.
33°
21°
2
Hist. Avg.
33°
20°
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 32° to 40°, with overnight lows between 17° and 27°. The average high for December is 37° with an average low of 23°. 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.
