Current sea water temperature:
+76.6°F
| Minimum sea water temperature in June: | 76.6°F |
| Maximum sea water temperature in June: | 32.0°F |
| Average sea water temperature in June: | 63.0°F |
| more information | |
14 days
forecast
forecast
| Lake Geneva |
monthly
weather
weather
| Lake Geneva |
Sea water temperature for the last 10 days:
| June 27 | 76.6°F | June 22 | 72.9°F |
| June 26 | 76.1°F | June 21 | 72.5°F |
| June 25 | 75.2°F | June 20 | 70.7°F |
| June 24 | 75.0°F | June 19 | 71.4°F |
| June 23 | 74.3°F | June 18 | 69.6°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, July and September.
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 72.5°F. The highest and lowest sea temperatures during the month were 75.6°F and 69.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 71.8°F. The highest and lowest sea temperatures during the month were 74.3°F and 69.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.0°F. The highest and lowest sea temperatures during the month were 71.2°F and 65.1°F.
current
weather
weather
| Lake Geneva |
weather in
July
July
| Lake Geneva |
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: 13:04
June 27, saturday
1500
90°F
E
1 mph
1 mph
1800
90°F
NW
1 mph
1 mph
2100
75°F
NW
6 mph
6 mph
June 28, sunday
0000
68°F
N
2 mph
2 mph
0300
66°F
NW
2 mph
2 mph
0600
64°F
N
2 mph
2 mph
0900
79°F
NE
2 mph
2 mph
1200
84°F
N
1 mph
1 mph
