April weather forecast and climate
Lake Geneva, WI

Weather in April

April is a cool spring month in Lake Geneva, Wisconsin, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 54.1°F (12.3°C).

Temperature

In April, the average high-temperature rises, from a cold 42.1°F (5.6°C) in March, to a cool 54.1°F (12.3°C). The average low-temperature, in April, is 37.9°F (3.3°C).

Humidity

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

Rainfall

In Lake Geneva, during 14.8 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. Throughout the year, there are 139.3 rainfall days, and 25.79" (655mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In April, in Lake Geneva, Wisconsin, it is snowing for 2.5 days. Throughout April, 1.89" (48mm) of snow is accumulated. Throughout the year, there are 44 snowfall days, and 17.36" (441mm) of snow is accumulated.

Daylight

In Lake Geneva, the average length of the day is 13.4h.

Sunshine

In Lake Geneva, the average sunshine is 7.3h.

UV index

The average daily maximum UV index in Lake Geneva is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the least humid month in Lake Geneva?

Months with the lowest humidity in Lake Geneva, Wisconsin, are April and October, with an average relative humidity of 77%.

What is the average humidity in April in Lake Geneva?

In April, the average relative humidity in Lake Geneva is 77%.

How many days does it rain in April in Lake Geneva?

In Lake Geneva, in April, it is raining for 14.8 days, with typically 3.07" (78mm) of accumulated precipitation.

How many days does it snow in April in Lake Geneva?

In Lake Geneva, Wisconsin, in April, during 2.5 snowfall days, 1.89" (48mm) of snow is typically accumulated.

What is the average length of the day in April in Lake Geneva?

In Lake Geneva, Wisconsin, the average length of the day in April is 13.4h.

How many hours of sunshine does Lake Geneva have in April?

In Lake Geneva, the average sunshine in April is 7.3h.

What is the UV index intensity in April in Lake Geneva?

The average daily maximum UV index in April in Lake Geneva, Wisconsin, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in April
Lake Geneva, WI

Average temperature in April - Lake Geneva, WI
  • Average high temperature in April: 54.1°F

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).

  • Average low temperature in April: 37.9°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 in April
Lake Geneva, WI

Average pressure in April - Lake Geneva, WI
  • Average pressure in April: 29.96"

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

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Average wind speed in April
Lake Geneva, WI

Average wind speed in April - Lake Geneva, WI
  • Average wind speed in April: 9.9mph

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 in April
Lake Geneva, WI

Average humidity in April - Lake Geneva, WI
  • Average humidity in April: 77%

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

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Average rainfall in April
Lake Geneva, WI

Average rainfall in April - Lake Geneva, WI
  • Average rainfall in April: 3.07"

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 in April
Lake Geneva, WI

Average rainfall days in April - Lake Geneva, WI
  • Average rainfall days in April: 14.8 days

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 in April
Lake Geneva, WI

Average snowfall in April - Lake Geneva, WI
  • Average snowfall in April: 1.89"

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

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Average snowfall days in April
Lake Geneva, WI

Average snowfall days in April - Lake Geneva, WI
  • Average snowfall days in April: 2.5 days

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

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Average daylight in April /
Average sunshine in April
Lake Geneva, WI

Average daylight in April / Average sunshine in April - Lake Geneva, WI
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in April: 7.3h

Months with the most sunshine are July and August (Average sunshine: 9.7h).
The month with the least sunshine is January (Average sunshine: 3.5h).

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Average sunshine days in April
Lake Geneva, WI

Average sunshine days in April - Lake Geneva, WI
  • Average sunshine days in April: 12.3 days

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 in April
Lake Geneva, WI

Average UV index in April - Lake Geneva, WI
  • Average UV index in April: 3

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

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Average cloud cover in April
Lake Geneva, WI

Average cloud cover in April - Lake Geneva, WI
  • Average cloud cover in April: 52

The month with the most cloud cover is January (Cloud cover 64).
Months with the least cloud cover are August and September (Cloud cover 34).

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Average visibility in April
Lake Geneva, WI

Average visibility in April - Lake Geneva, WI
  • Average visibility in April: 6mi

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

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