S
M
T
W
T
F
S
29
53°
40°
30
55°
36°
1
51°
30°
2
48°
29°
3
40°
35°
4
46°
34°
5
45°
31°
6
43°
35°
7
45°
34°
8
47°
29°
9
47°
29°
10
40°
25°
11
36°
23°
12
34°
25°
13
36°
22°
14
34°
19°
15
33°
22°
16
31°
24°
17
33°
14°
18
37°
16°
19
29°
19°
20
30°
24°
21
37°
30°
22
36°
28°
23
38°
31°
24
40°
29°
25
42°
29°
26
42°
26°
27
30°
20°
28
33°
30°
29
39°
30°
30
Hist. Avg.
35°
22°
31
Hist. Avg.
34°
22°
1
Hist. Avg.
34°
22°
2
Hist. Avg.
34°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Geneva
Geneva's December 2026 forecast shows daily high temperatures ranging from 29° to 55°, with overnight lows between 14° and 40°. The average high for December is 40° with an average low of 27°. 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.
