S
M
T
W
T
F
S
29
73°
38°
30
74°
33°
1
60°
34°
2
61°
36°
3
65°
41°
4
69°
45°
5
71°
46°
6
72°
46°
7
71°
41°
8
72°
42°
9
65°
47°
10
72°
47°
11
73°
46°
12
74°
44°
13
72°
44°
14
70°
46°
15
70°
37°
16
73°
30°
17
64°
31°
18
58°
32°
19
59°
37°
20
61°
38°
21
60°
42°
22
67°
45°
23
69°
44°
24
70°
32°
25
69°
29°
26
57°
30°
27
56°
41°
28
64°
41°
29
66°
39°
30
63°
41°
31
61°
28°
1
71°
27°
2
57°
27°
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 56° to 74°, with overnight lows between 27° and 47°. The average high for December is 67° with an average low of 38°. 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.
