S
M
T
W
T
F
S
29
39°
26°
30
42°
28°
1
41°
27°
2
40°
27°
3
42°
25°
4
40°
24°
5
40°
24°
6
37°
25°
7
40°
23°
8
35°
22°
9
32°
22°
10
32°
21°
11
33°
21°
12
33°
20°
13
34°
14°
14
34°
9°
15
29°
9°
16
24°
11°
17
26°
9°
18
24°
18°
19
29°
17°
20
33°
15°
21
31°
10°
22
28°
12°
23
27°
3°
24
27°
12°
25
25°
10°
26
29°
3°
27
23°
3°
28
20°
4°
29
23°
4°
30
21°
7°
31
24°
15°
1
34°
13°
2
34°
5°
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 20° to 42°, with overnight lows between 3° and 28°. The average high for December is 32° with an average low of 15°. 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.
