S
M
T
W
T
F
S
29
48°
33°
30
51°
35°
1
53°
34°
2
51°
35°
3
53°
33°
4
50°
32°
5
51°
31°
6
49°
33°
7
51°
31°
8
44°
29°
9
41°
29°
10
42°
26°
11
40°
30°
12
41°
27°
13
43°
26°
14
42°
20°
15
38°
20°
16
37°
23°
17
38°
22°
18
37°
28°
19
45°
27°
20
47°
23°
21
41°
21°
22
38°
21°
23
36°
18°
24
38°
24°
25
40°
19°
26
46°
13°
27
36°
14°
28
31°
15°
29
35°
14°
30
34°
19°
31
36°
25°
1
48°
19°
2
45°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mendon
Mendon's December 2026 forecast shows daily high temperatures ranging from 31° to 53°, with overnight lows between 13° and 35°. The average high for December is 43° with an average low of 25°. 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.
