Weather in Lake Geneva: January
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Average day temperature: | 26.9°F |
| Average night temperature: | 21.1°F | |
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Sea water temperature: | 33.9°F |
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Number of sunny days: | 6 days |
| Day length: | 9.1 - 10.0 hours | |
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Number of days with precipitation: | 2 days |
| Precipitation totals: | 0.7 in. | |
| more information | ||
forecast
| Lake Geneva |
temperature
| Lake Geneva |
Air temperature in January, °F
The highest day temperature during January of 2025 was 42°F. At the same time the lowest night temperature was -5°F. Daily and nightly averages during January were 25.0°F and 16.2°F.
Sea water temperature in Lake Geneva in January, °F
The average sea water temperature in January of 2025 was 32.0°F. The highest and lowest sea temperatures during the month were 32.0°F and 32.0°F.
Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Lake Geneva in January is 0.7 in. Other months of the year show relatively similar values.
The average wind speed value in January is 10.0 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 3.6.
Best time for vacation in Lake Geneva
Lake Geneva on a weather map
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