ClimateForecastNovemberDecember >>

Lake Geneva (WI) Climate by Month

The temperature in Lake Geneva can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. It receives mid-range precipitation levels. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Visitors to Lake Geneva can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 28°C in July, the warmest time of the year, to a very cold -2°C during cooler months like January. At night, temperatures typically average around -11°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Lake Geneva experiences moderate precipitation patterns, averaging 990 mm yearly. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives high rainfall, averaging 133 mm of precipitation, recorded across 13 rainy days. In contrast, the drier season, January brings less snowfall, with 43 mm over 10 snowy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Lake Geneva. While July receives considerable daily sunshine with up to 10.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.5 hours of sunlight per day.

Monthly hours of sunshine

Data from: Milwaukee, the United States of America (64 KM, 40 Miles).

Daily hours of sunshine

Data from: Milwaukee, the United States of America (64 KM, 40 Miles).

The best time of year to visit Lake Geneva in the United States of America

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in Lake Geneva?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Lake Geneva?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Lake Geneva?
    The coldest month is January with an average maximum temperature of -2°C.
  • Which is the wettest month in Lake Geneva?
    June tops the wettest month list with 133 mm of rainfall.
  • Which is the driest month in Lake Geneva?
    January is the driest month with 43 mm of precipitation.
  • Which is the sunniest month in Lake Geneva?
    July is the sunniest month with an average of 319 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Lake Geneva (WI)

    Fri   Nov 22
    7°C | 2°C
    N 22 km/h
    overcast and no rain

    overcast and no rain

    Sat   Nov 23
    6°C | -1°C
    W 14 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sun   Nov 24
    9°C | -1°C
    S 14 km/h
    broken clouds and no rain

    broken clouds and no rain