S
M
T
W
T
F
S
29
50°
31°
30
47°
23°
1
36°
17°
2
35°
18°
3
41°
29°
4
41°
29°
5
39°
28°
6
38°
24°
7
35°
21°
8
34°
22°
9
40°
23°
10
44°
27°
11
44°
27°
12
48°
26°
13
46°
27°
14
40°
24°
15
40°
24°
16
41°
22°
17
39°
15°
18
38°
12°
19
35°
8°
20
31°
8°
21
28°
20°
22
38°
15°
23
39°
15°
24
38°
9°
25
34°
22°
26
36°
23°
27
39°
23°
28
39°
22°
29
38°
18°
30
37°
14°
31
35°
6°
1
32°
5°
2
29°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Hanover
Hanover's December 2026 forecast shows daily high temperatures ranging from 28° to 50°, with overnight lows between 5° and 31°. The average high for December is 38° with an average low of 20°. 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 Hanover. See also: January | February | March.
