S
M
T
W
T
F
S
29
45°
29°
30
47°
27°
1
42°
28°
2
39°
20°
3
42°
15°
4
36°
19°
5
32°
27°
6
39°
30°
7
47°
31°
8
48°
29°
9
30°
18°
10
50°
32°
11
51°
29°
12
Hist. Avg.
40°
25°
13
Hist. Avg.
40°
24°
14
Hist. Avg.
40°
24°
15
Hist. Avg.
39°
24°
16
Hist. Avg.
39°
24°
17
Hist. Avg.
39°
24°
18
Hist. Avg.
38°
23°
19
Hist. Avg.
38°
23°
20
Hist. Avg.
38°
23°
21
Hist. Avg.
38°
23°
22
Hist. Avg.
37°
22°
23
Hist. Avg.
37°
22°
24
Hist. Avg.
37°
22°
25
Hist. Avg.
37°
22°
26
Hist. Avg.
36°
21°
27
Hist. Avg.
36°
21°
28
Hist. Avg.
36°
21°
29
Hist. Avg.
36°
21°
30
Hist. Avg.
36°
21°
31
Hist. Avg.
35°
20°
1
Hist. Avg.
35°
20°
2
Hist. Avg.
35°
20°
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 30° to 51°, with overnight lows between 15° and 32°. The average high for December is 42° with an average low of 26°. 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.
