24.12
wed
wed
Day
36°F
SW 24 mph
Precip.
84%
84%
Night
30°F
SW 13 mph
Precip.
64%
64%
25.12
thu
thu
Day
36°F
S 7 mph
Precip.
0%
0%
Night
32°F
S 5 mph
Precip.
0%
0%
26.12
fri
fri
Day
39°F
S 4 mph
Precip.
0%
0%
Night
34°F
SW 9 mph
Precip.
0%
0%
27.12
sat
sat
Day
37°F
SW 8 mph
Precip.
0%
0%
Night
34°F
SW 9 mph
Precip.
0%
0%
28.12
sun
sun
Day
37°F
SW 21 mph
Precip.
0%
0%
Night
30°F
SW 11 mph
Precip.
0%
0%
29.12
mon
mon
Day
34°F
SW 7 mph
Precip.
0%
0%
Night
34°F
S 4 mph
Precip.
0%
0%
30.12
tue
tue
Day
39°F
SW 6 mph
Precip.
0%
0%
Night
32°F
SW 9 mph
Precip.
0%
0%
31.12
wed
wed
Day
34°F
SW 11 mph
Precip.
0%
0%
Night
30°F
NE 4 mph
Precip.
100%
100%
01.01
thu
thu
Day
30°F
E 6 mph
Precip.
100%
100%
Night
19°F
SW 6 mph
Precip.
26%
26%
02.01
fri
fri
Day
27°F
NE 8 mph
Precip.
100%
100%
Night
23°F
NW 5 mph
Precip.
64%
64%
03.01
sat
sat
Day
30°F
NE 4 mph
Precip.
45%
45%
Night
34°F
E 6 mph
Precip.
100%
100%
04.01
sun
sun
Day
39°F
NW 2 mph
Precip.
100%
100%
Night
34°F
SW 6 mph
Precip.
0%
0%
05.01
mon
mon
Day
37°F
S 5 mph
Precip.
0%
0%
Night
32°F
N 2 mph
Precip.
0%
0%
06.01
tue
tue
Day
43°F
NE 6 mph
Precip.
0%
0%
Night
37°F
E 4 mph
Precip.
75%
75%
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 48.9°F. The highest and lowest sea temperatures during the month were 50.0°F and 47.3°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: 05:15
December 24, wednesday
0600
34°F
SW
20 mph
20 mph
0900
36°F
SW
22 mph
22 mph
1200
36°F
SW
24 mph
24 mph
1500
34°F
SW
24 mph
24 mph
1800
30°F
SW
22 mph
22 mph
2100
30°F
SW
17 mph
17 mph
December 25, thursday
0000
30°F
SW
13 mph
13 mph
0300
30°F
SW
11 mph
11 mph
