Climate and monthly weather forecast
Lake Geneva, WI

Weather in January

January, like December, is another subzero cold winter month in Lake Geneva, Wisconsin, with an average temperature fluctuating between 13.3°F (-10.4°C) and 25.5°F (-3.6°C). The coldest month is January, with an average high-temperature of 25.5°F (-3.6°C) and an average low-temperature of 13.3°F (-10.4°C). Weather in January »

Weather in February

February, the last month of the winter in Lake Geneva, is also a subzero cold month, with temperature in the range of an average low of 16.2°F (-8.8°C) and an average high of 28.9°F (-1.7°C). In February, the average high-temperature is practically the same as in January - a still subzero cold 28.9°F (-1.7°C). Weather in February »

Weather in March

March, the first month of the spring in Lake Geneva, is a cold month, with an average temperature fluctuating between 42.1°F (5.6°C) and 28.2°F (-2.1°C). In March, the average high-temperature rises from a subzero cold 28.9°F (-1.7°C) in February to a cold 42.1°F (5.6°C). Weather in March »

Weather in April

April is a cool spring month in Lake Geneva, Wisconsin, with an average temperature fluctuating between 54.1°F (12.3°C) and 37.9°F (3.3°C). In April, the average high-temperature increases from a wintry 42.1°F (5.6°C) in March to a fresh 54.1°F (12.3°C). Weather in April »

Weather in May

May, the last month of the spring in Lake Geneva, is a comfortable month, with an average temperature fluctuating between 48.7°F (9.3°C) and 66°F (18.9°C). In May, the average high-temperature increases from a fresh 54.1°F (12.3°C) in April to an enjoyable 66°F (18.9°C). Weather in May »

Weather in June

June, the first month of the summer in Lake Geneva, is a warm month, with an average temperature varying between 75.6°F (24.2°C) and 57.7°F (14.3°C). In Lake Geneva, the average high-temperature in June rises from an enjoyable 66°F (18.9°C) in May to a moderately hot 75.6°F (24.2°C). Weather in June »

Weather in July

July, like June, in Lake Geneva, Wisconsin, is a moderately hot summer month, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.2°F (16.8°C). July is the warmest month, with an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 62.2°F (16.8°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Lake Geneva, Wisconsin, with an average temperature varying between 60.1°F (15.6°C) and 77.5°F (25.3°C). In Lake Geneva, the average high-temperature in August is relatively the same as in July - a still warm 77.5°F (25.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Lake Geneva, Wisconsin, with an average temperature fluctuating between 53.6°F (12°C) and 71.6°F (22°C). In September, the average high-temperature marginally drops from a moderately hot 77.5°F (25.3°C) in August to an agreeable 71.6°F (22°C). Weather in September »

Weather in October

October, the same as September, in Lake Geneva, Wisconsin, is a moderate autumn month, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 58.1°F (14.5°C). In October, the average high-temperature decreases from a pleasant 71.6°F (22°C) in September to a mild 58.1°F (14.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Lake Geneva, Wisconsin, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 30.6°F (-0.8°C). In Lake Geneva, the average high-temperature in November declines considerably from a moderate 58.1°F (14.5°C) in October to a frosty 43.7°F (6.5°C). Weather in November »

Weather in December

December, the first month of the winter in Lake Geneva, is still a freezing cold month, with temperature in the range of an average low of 21.7°F (-5.7°C) and an average high of 31.8°F (-0.1°C). In Lake Geneva, the average high-temperature in December drops from a frosty 43.7°F (6.5°C) in November to a subzero cold 31.8°F (-0.1°C). Weather in December »
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FAQ

What is the coldest month in Lake Geneva?

The coldest month is January, with an average high-temperature of 25.5°F (-3.6°C) and an average low-temperature of 13.3°F (-10.4°C).

What is the most humid month in Lake Geneva?

The most humid month is January, with an average relative humidity of 87%.

How many days does it rain in Lake Geneva?

Throughout the year, there are 139.3 rainfall days, and 25.79" (655mm) of precipitation is accumulated.

When does it snow in Lake Geneva?

January through May, October through December are months with snowfall in Lake Geneva, Wisconsin.

When does it snow the most in Lake Geneva?

January is the month with the most snowfall in Lake Geneva. Snow falls for 11.4 days and accumulates 4.69" (119mm) of snow.

How much does it snow in Lake Geneva?

Throughout the year, there are 44 snowfall days, and 17.36" (441mm) of snow is accumulated.

What is the month with the least sunshine in Lake Geneva?

The month with the least sunshine in Lake Geneva, Wisconsin, is January, with an average of 3.5h of sunshine.

What is the month with the lowest UV index in Lake Geneva?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Lake Geneva, Wisconsin.

When is Daylight Saving Time (DST) in Lake Geneva?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Lake Geneva, Wisconsin, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

What are the least humid months in Lake Geneva?

April and October, with an average relative humidity of 77%, are the least humid months in Lake Geneva, Wisconsin.

When is the highest UV index in Lake Geneva?

The months with the highest UV index in Lake Geneva are May through August, with an average maximum UV index of 5.

What is the wettest month in Lake Geneva?

The month with the most rainfall is June, when the rain falls for 17.4 days and typically aggregates up to 3.46" (88mm) of precipitation.

When it does not snow in Lake Geneva?

In Lake Geneva, Wisconsin, snow does not fall in June through September.

When are the longest days in Lake Geneva?

With an average of 15h and 16min of daylight, June has the longest days of the year in Lake Geneva.

What is the warmest month in Lake Geneva?

July is the warmest month, with an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 62.2°F (16.8°C).

What are the months with the most sunshine in Lake Geneva?

The months with the most sunshine in Lake Geneva are July and August, with an average of 9.7h of sunshine.

What is the driest month in Lake Geneva?

The month with the least rainfall is December, when the rain falls for 5.7 days and typically collects 1.14" (29mm) of precipitation.

What is the month with the shortest days in Lake Geneva?

December has the shortest days of the year, with an average of 9h and 7min of daylight.

Average temperature
Lake Geneva, WI

Average temperature - Lake Geneva, WI

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (25.5°F).

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure
Lake Geneva, WI

Average pressure - Lake Geneva, WI

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Lake Geneva, WI

Average wind speed - Lake Geneva, WI

The windiest months (with the highest average wind speed) are February and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity
Lake Geneva, WI

Average humidity - Lake Geneva, WI

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).

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Average rainfall
Lake Geneva, WI

Average rainfall - Lake Geneva, WI

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is December (1.14").

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Average rainfall days
Lake Geneva, WI

Average rainfall days - Lake Geneva, WI

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (3.1 days).

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Average snowfall
Lake Geneva, WI

Average snowfall - Lake Geneva, WI

The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Lake Geneva, WI

Average snowfall days - Lake Geneva, WI

The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Lake Geneva, WI

Average daylight / Average sunshine - Lake Geneva, WI

The month with the longest days is June (Average daylight: 15h and 16min).
The month with the shortest days is December (Average daylight: 9h and 7min).

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days
Lake Geneva, WI

Average sunshine days - Lake Geneva, WI

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index
Lake Geneva, WI

Average UV index - Lake Geneva, WI

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average visibility
Lake Geneva, WI

Average visibility - Lake Geneva, WI

The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).

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