Current sea water temperature:
+32.0°F
| Minimum sea water temperature in December: | 46.8°F |
| Maximum sea water temperature in December: | 32.0°F |
| Average sea water temperature in December: | 36.6°F |
| more information | |
14 days
forecast
forecast
| Lake Geneva |
monthly
weather
weather
| Lake Geneva |
Sea water temperature for the last 10 days:
| December 4 | 32.0°F | November 29 | 32.0°F |
| December 3 | 32.0°F | November 28 | 32.0°F |
| December 2 | 32.0°F | November 27 | 32.0°F |
| December 1 | 32.0°F | November 26 | 32.0°F |
| November 30 | 32.0°F | November 25 | 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
December
December
| 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: 23:27
December 05, friday
0000
-4°F
NE
8 mph
8 mph
0300
-2°F
NE
11 mph
11 mph
0600
7°F
NE
11 mph
11 mph
0900
14°F
NE
11 mph
11 mph
1200
23°F
NE
14 mph
14 mph
1500
27°F
NE
14 mph
14 mph
1800
27°F
NE
13 mph
13 mph
2100
28°F
NE
13 mph
13 mph
