Current sea water temperature:
+32.0°F
| Minimum sea water temperature in July: | 74.5°F |
| Maximum sea water temperature in July: | 32.0°F |
| Average sea water temperature in July: | 44.2°F |
| more information | |
14 days
forecast
forecast
| Lake Geneva |
monthly
weather
weather
| Lake Geneva |
Sea water temperature for the last 10 days:
| July 21 | 32.0°F | July 16 | 32.0°F |
| July 20 | 32.0°F | July 15 | 32.0°F |
| July 19 | 32.0°F | July 14 | 32.0°F |
| July 18 | 32.0°F | July 13 | 32.0°F |
| July 17 | 32.0°F | July 12 | 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
July
July
| 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: 08:25
July 21, tuesday
0900
77°F
SE
15 mph
15 mph
1200
82°F
SE
16 mph
16 mph
1500
84°F
SE
15 mph
15 mph
1800
75°F
S
13 mph
13 mph
2100
63°F
S
7 mph
7 mph
July 22, wednesday
0000
59°F
S
11 mph
11 mph
0300
50°F
S
7 mph
7 mph
0600
46°F
SE
7 mph
7 mph
