S
M
T
W
T
F
S
29
52°
29°
30
43°
25°
1
42°
27°
2
41°
33°
3
46°
34°
4
54°
32°
5
51°
30°
6
45°
29°
7
46°
31°
8
47°
31°
9
49°
27°
10
42°
28°
11
Hist. Avg.
41°
27°
12
Hist. Avg.
41°
27°
13
Hist. Avg.
40°
26°
14
Hist. Avg.
40°
26°
15
Hist. Avg.
40°
26°
16
Hist. Avg.
40°
25°
17
Hist. Avg.
39°
25°
18
Hist. Avg.
39°
25°
19
Hist. Avg.
39°
25°
20
Hist. Avg.
39°
24°
21
Hist. Avg.
38°
24°
22
Hist. Avg.
38°
24°
23
Hist. Avg.
38°
23°
24
Hist. Avg.
38°
23°
25
Hist. Avg.
37°
23°
26
Hist. Avg.
37°
23°
27
Hist. Avg.
37°
22°
28
Hist. Avg.
37°
22°
29
Hist. Avg.
37°
22°
30
Hist. Avg.
36°
22°
31
Hist. Avg.
36°
21°
1
Hist. Avg.
36°
21°
2
Hist. Avg.
36°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Jamaica Plain
Jamaica Plain's December 2026 forecast shows daily high temperatures ranging from 41° to 54°, with overnight lows between 25° and 34°. The average high for December is 47° with an average low of 30°. 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 Jamaica Plain. See also: January | February | March.
