S
M
T
W
T
F
S
29
38°
29°
30
39°
29°
1
39°
30°
2
40°
23°
3
40°
23°
4
35°
31°
5
38°
34°
6
41°
38°
7
48°
32°
8
51°
28°
9
49°
26°
10
37°
25°
11
36°
24°
12
36°
24°
13
35°
27°
14
37°
26°
15
34°
23°
16
34°
24°
17
35°
28°
18
35°
28°
19
36°
31°
20
41°
30°
21
47°
24°
22
46°
26°
23
36°
31°
24
43°
29°
25
46°
27°
26
41°
27°
27
36°
17°
28
37°
16°
29
29°
14°
30
32°
11°
31
31°
12°
1
23°
15°
2
30°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Genoa
Genoa's December 2026 forecast shows daily high temperatures ranging from 23° to 51°, with overnight lows between 11° and 38°. The average high for December is 38° 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 Genoa. See also: January | February | March.
