28.12
sun
sun
Day
39°F
SW 7 mph
Precip.
0%
0%
Night
32°F
S 3 mph
Precip.
0%
0%
29.12
mon
mon
Day
41°F
SE 2 mph
Precip.
0%
0%
Night
34°F
S 4 mph
Precip.
0%
0%
30.12
tue
tue
Day
36°F
SW 20 mph
Precip.
0%
0%
Night
28°F
SW 21 mph
Precip.
0%
0%
31.12
wed
wed
Day
30°F
SW 16 mph
Precip.
0%
0%
Night
27°F
S 6 mph
Precip.
0%
0%
01.01
thu
thu
Day
34°F
NE 5 mph
Precip.
0%
0%
Night
37°F
NE 14 mph
Precip.
0%
0%
02.01
fri
fri
Day
41°F
NE 16 mph
Precip.
100%
100%
Night
43°F
NE 14 mph
Precip.
100%
100%
03.01
sat
sat
Day
46°F
NE 17 mph
Precip.
100%
100%
Night
30°F
S 6 mph
Precip.
100%
100%
04.01
sun
sun
Day
28°F
NE 5 mph
Precip.
20%
20%
Night
19°F
SW 6 mph
Precip.
28%
28%
05.01
mon
mon
Day
25°F
SW 13 mph
Precip.
0%
0%
Night
21°F
S 5 mph
Precip.
71%
71%
06.01
tue
tue
Day
30°F
E 2 mph
Precip.
100%
100%
Night
34°F
NW 3 mph
Precip.
100%
100%
07.01
wed
wed
Day
32°F
SW 12 mph
Precip.
100%
100%
Night
16°F
SW 11 mph
Precip.
0%
0%
08.01
thu
thu
Day
23°F
SW 9 mph
Precip.
0%
0%
Night
19°F
SW 7 mph
Precip.
48%
48%
09.01
fri
fri
Day
23°F
N 2 mph
Precip.
0%
0%
Night
23°F
NE 2 mph
Precip.
69%
69%
10.01
sat
sat
Day
32°F
W 1 mph
Precip.
0%
0%
Night
30°F
SW 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Lake Geneva |
monthly
weather
weather
| Lake Geneva |
current
weather
weather
| Lake Geneva |
7 days
forecast
forecast
| Lake Geneva |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 48.6°F. The highest and lowest sea temperatures during the month were 50.0°F and 46.2°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 46.3°F. The highest and lowest sea temperatures during the month were 47.3°F and 45.0°F.
Air temperature in Lake Geneva, °F
Precipitation total in Lake Geneva, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Lake Geneva
Lake Geneva on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Lake Geneva
Local time: 03:18
December 28, sunday
0600
32°F
S
4 mph
4 mph
0900
32°F
S
6 mph
6 mph
1200
39°F
SW
7 mph
7 mph
1500
39°F
SW
6 mph
6 mph
1800
34°F
S
6 mph
6 mph
2100
32°F
S
5 mph
5 mph
December 29, monday
0000
32°F
S
3 mph
3 mph
0300
32°F
S
2 mph
2 mph
