30.12
tue
tue
Day

16°F
E 13 mph
Precip.
0%
0%
Night

25°F
E 14 mph
Precip.
0%
0%
31.12
wed
wed
Day

27°F
SE 17 mph
Precip.
0%
0%
Night

14°F
SE 9 mph
Precip.
0%
0%
01.01
thu
thu
Day

16°F
SE 11 mph
Precip.
0%
0%
Night

12°F
E 7 mph
Precip.
0%
0%
02.01
fri
fri
Day

18°F
SE 9 mph
Precip.
0%
0%
Night

16°F
SE 7 mph
Precip.
0%
0%
03.01
sat
sat
Day

23°F
SE 5 mph
Precip.
0%
0%
Night

21°F
NW 2 mph
Precip.
0%
0%
04.01
sun
sun
Day

32°F
N 10 mph
Precip.
0%
0%
Night

32°F
NE 10 mph
Precip.
0%
0%
05.01
mon
mon
Day

39°F
NE 6 mph
Precip.
0%
0%
Night

34°F
SE 19 mph
Precip.
0%
0%
sea water
temperature
temperature
| Lake Geneva |
monthly
weather
weather
| Lake Geneva |
current
weather
weather
| Lake Geneva |
14 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 32.0°F. The highest and lowest sea temperatures during the month were 32.0°F and 32.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 32.0°F. The highest and lowest sea temperatures during the month were 32.0°F and 32.0°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 USA:
Name
°F
24 Hours Forecast
Lake Geneva
Local time: 14:53
December 30, tuesday
1500

18°F
E
15 mph
15 mph
1800

23°F
NE
16 mph
16 mph
2100

27°F
E
17 mph
17 mph
December 31, wednesday
0000

25°F
E
14 mph
14 mph
0300

27°F
SE
12 mph
12 mph
0600

27°F
SE
12 mph
12 mph
0900

27°F
SE
15 mph
15 mph
1200

27°F
SE
17 mph
17 mph



























