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