Current sea water temperature:
+32.0°F
| Minimum sea water temperature in January: | 41.9°F |
| Maximum sea water temperature in January: | 32.0°F |
| Average sea water temperature in January: | 33.7°F |
| more information | |
14 days
forecast
forecast
| Lake Geneva |
monthly
weather
weather
| Lake Geneva |
Sea water temperature for the last 10 days:
| January 10 | 32.0°F | January 5 | 32.0°F |
| January 9 | 32.0°F | January 4 | 32.0°F |
| January 8 | 32.0°F | January 3 | 32.0°F |
| January 7 | 32.0°F | January 2 | 32.0°F |
| January 6 | 32.0°F | January 1 | 32.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Lake Geneva?
Based on the data about daily sea water temperature for the last three years the warmest sea in Lake Geneva was noticed in August, September and July.
Monthly Sea Temperatures in Lake Geneva, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August 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 September, °F
Show year:
2025
2024
2023
The average sea water temperature in September 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 July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 32.0°F. The highest and lowest sea temperatures during the month were 32.0°F and 32.0°F.
current
weather
weather
| Lake Geneva |
weather in
January
January
| Lake Geneva |
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: 01:29
January 10, saturday
0300

37°F
NW
4 mph
4 mph
0600

36°F
NW
4 mph
4 mph
0900

32°F
SE
4 mph
4 mph
1200

32°F
SE
12 mph
12 mph
1500

34°F
SE
12 mph
12 mph
1800

28°F
E
14 mph
14 mph
2100

27°F
E
16 mph
16 mph
January 11, sunday
0000

23°F
E
16 mph
16 mph



























