Current sea water temperature:
+32.0°F
| Minimum sea water temperature in May: | 53.1°F |
| Maximum sea water temperature in May: | 32.0°F |
| Average sea water temperature in May: | 35.8°F |
| more information | |
14 days
forecast
forecast
| Lake Geneva |
monthly
weather
weather
| Lake Geneva |
Sea water temperature for the last 10 days:
| May 19 | 32.0°F | May 14 | 32.0°F |
| May 18 | 32.0°F | May 13 | 32.0°F |
| May 17 | 32.0°F | May 12 | 32.0°F |
| May 16 | 32.0°F | May 11 | 32.0°F |
| May 15 | 32.0°F | May 10 | 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
May
May
| 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: 07:33
May 19, tuesday
0900
70°F
NE
14 mph
14 mph
1200
72°F
SE
13 mph
13 mph
1500
68°F
SE
13 mph
13 mph
1800
59°F
SE
15 mph
15 mph
2100
52°F
SE
12 mph
12 mph
May 20, wednesday
0000
48°F
SE
12 mph
12 mph
0300
45°F
SE
8 mph
8 mph
0600
43°F
S
9 mph
9 mph
