S
M
T
W
T
F
S
29
48°
29°
30
41°
21°
1
33°
17°
2
33°
20°
3
38°
28°
4
38°
28°
5
36°
27°
6
35°
22°
7
32°
21°
8
31°
24°
9
40°
25°
10
45°
26°
11
44°
26°
12
45°
25°
13
44°
26°
14
36°
23°
15
36°
23°
16
37°
20°
17
36°
14°
18
34°
11°
19
33°
6°
20
26°
8°
21
25°
18°
22
36°
17°
23
36°
13°
24
35°
8°
25
32°
21°
26
36°
22°
27
38°
22°
28
37°
20°
29
37°
18°
30
36°
10°
31
33°
6°
1
26°
7°
2
26°
19°
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 25° to 48°, with overnight lows between 6° and 29°. The average high for December is 36° 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 Genoa. See also: January | February | March.
