S
M
T
W
T
F
S
29
50°
33°
30
44°
25°
1
35°
21°
2
35°
24°
3
40°
32°
4
41°
32°
5
39°
31°
6
36°
26°
7
34°
25°
8
34°
28°
9
42°
29°
10
47°
30°
11
47°
30°
12
46°
29°
13
46°
30°
14
38°
27°
15
39°
27°
16
39°
24°
17
38°
18°
18
37°
14°
19
36°
10°
20
29°
11°
21
28°
22°
22
38°
21°
23
39°
16°
24
38°
12°
25
35°
25°
26
38°
25°
27
40°
24°
28
39°
24°
29
39°
21°
30
38°
13°
31
35°
9°
1
29°
10°
2
28°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Geneva
Geneva's December 2026 forecast shows daily high temperatures ranging from 28° to 50°, with overnight lows between 9° and 33°. The average high for December is 38° with an average low of 23°. 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 Geneva. See also: January | February | March.
