S
M
T
W
T
F
S
29
42°
28°
30
38°
26°
1
37°
27°
2
35°
28°
3
36°
28°
4
36°
25°
5
35°
25°
6
34°
24°
7
33°
23°
8
31°
22°
9
30°
18°
10
31°
20°
11
29°
27°
12
Hist. Avg.
35°
23°
13
Hist. Avg.
35°
22°
14
Hist. Avg.
35°
22°
15
Hist. Avg.
34°
22°
16
Hist. Avg.
34°
22°
17
Hist. Avg.
34°
21°
18
Hist. Avg.
33°
21°
19
Hist. Avg.
33°
21°
20
Hist. Avg.
33°
20°
21
Hist. Avg.
33°
20°
22
Hist. Avg.
32°
20°
23
Hist. Avg.
32°
19°
24
Hist. Avg.
32°
19°
25
Hist. Avg.
32°
19°
26
Hist. Avg.
31°
18°
27
Hist. Avg.
31°
18°
28
Hist. Avg.
31°
18°
29
Hist. Avg.
31°
18°
30
Hist. Avg.
31°
18°
31
Hist. Avg.
30°
17°
1
Hist. Avg.
30°
17°
2
Hist. Avg.
30°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Hannibal
Hannibal's December 2026 forecast shows daily high temperatures ranging from 29° to 42°, with overnight lows between 18° and 28°. The average high for December is 34° 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 Hannibal. See also: January | February | March.
