S
M
T
W
T
F
S
29
39°
30°
30
40°
31°
1
43°
28°
2
42°
28°
3
40°
27°
4
40°
22°
5
42°
25°
6
41°
23°
7
43°
27°
8
42°
33°
9
47°
35°
10
50°
30°
11
52°
25°
12
36°
27°
13
49°
30°
14
Hist. Avg.
39°
20°
15
Hist. Avg.
39°
20°
16
Hist. Avg.
38°
20°
17
Hist. Avg.
38°
20°
18
Hist. Avg.
38°
20°
19
Hist. Avg.
38°
20°
20
Hist. Avg.
38°
19°
21
Hist. Avg.
37°
19°
22
Hist. Avg.
37°
19°
23
Hist. Avg.
37°
19°
24
Hist. Avg.
37°
19°
25
Hist. Avg.
37°
19°
26
Hist. Avg.
37°
19°
27
Hist. Avg.
37°
18°
28
Hist. Avg.
36°
18°
29
Hist. Avg.
36°
18°
30
Hist. Avg.
36°
18°
31
Hist. Avg.
36°
18°
1
Hist. Avg.
36°
18°
2
Hist. Avg.
36°
18°
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 36° to 52°, with overnight lows between 22° and 35°. The average high for December is 43° with an average low of 28°. 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.
