S
M
T
W
T
F
S
29
37°
25°
30
36°
25°
1
36°
27°
2
39°
30°
3
42°
13°
4
44°
13°
5
38°
19°
6
26°
18°
7
30°
17°
8
28°
13°
9
30°
12°
10
26°
15°
11
22°
16°
12
28°
17°
13
31°
19°
14
27°
21°
15
29°
24°
16
32°
24°
17
33°
20°
18
33°
25°
19
35°
25°
20
35°
23°
21
34°
22°
22
32°
19°
23
30°
21°
24
31°
22°
25
32°
20°
26
31°
21°
27
29°
19°
28
30°
11°
29
31°
17°
30
30°
7°
31
28°
13°
1
24°
13°
2
Hist. Avg.
26°
14°
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 22° to 44°, with overnight lows between 7° and 30°. The average high for December is 32° with an average low of 19°. 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.
