Current sea water temperature:
+32.0°F
| Minimum sea water temperature in August: | 74.7°F |
| Maximum sea water temperature in August: | 32.0°F |
| Average sea water temperature in August: | 51.3°F |
| more information | |
14 days
forecast
forecast
| Lake Geneva |
monthly
weather
weather
| Lake Geneva |
Sea water temperature for the last 10 days:
| August 12 | 32.0°F | August 7 | 32.0°F |
| August 11 | 32.0°F | August 6 | 32.0°F |
| August 10 | 32.0°F | August 5 | 32.0°F |
| August 9 | 32.0°F | August 4 | 32.0°F |
| August 8 | 32.0°F | August 3 | 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 October.
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 October, °F
Show year:
2025
2024
2022
The average sea water temperature in October 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
August
August
| 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: 13:59
August 12, wednesday
1500
79°F
SE
4 mph
4 mph
1800
84°F
SW
4 mph
4 mph
2100
73°F
W
4 mph
4 mph
August 13, thursday
0000
70°F
N
5 mph
5 mph
0300
66°F
W
6 mph
6 mph
0600
66°F
NW
7 mph
7 mph
0900
70°F
NW
3 mph
3 mph
1200
70°F
NW
6 mph
6 mph
