Lake Geneva Monthly Weather Averages

January
February
March
April

May
June
July
August

September
October
November
December

Please click on any column to get detailed information about Lake Geneva weather in that particular month. You will get daily weather information for that month for the last several years.

The warmest month in Lake Geneva is july. The average daily temp is 80.0°F. The average nightly temp is 65.6°F.

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 48.8°F.

November is the month with least precipitations during the year. The average precipitation totals for this month is 0.3 in. The month with most precipitation total is April.

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

sea water
temperature

Lake Geneva

14 days
forecast

Lake Geneva

current
weather

Lake Geneva

7 days
forecast

Lake Geneva