April weather forecast
Germantown, WI

Weather in April

April is a cool spring month in Germantown, Wisconsin, with an average temperature ranging between min 37°F (2.8°C) and max 50.2°F (10.1°C).

Temperature

In Germantown, the average high-temperature in April rises from a wintry 39.4°F (4.1°C) in March to a cool 50.2°F (10.1°C). In Germantown, the average low-temperature is 37°F (2.8°C).

Humidity

The average relative humidity in April in Germantown, Wisconsin, is 77%.

Rainfall

In Germantown, during April, the rain falls for 15.7 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, in Germantown, there are 139.2 rainfall days, and 25.28" (642mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 2.8 snowfall days, Germantown aggregates 1.46" (37mm) of snow. Throughout the year, in Germantown, there are 48.9 snowfall days, and 15.35" (390mm) of snow is accumulated.

Daylight

The average length of the day in April in Germantown is 13h and 26min.
On the first day of the month, sunrise is at 6:33 am and sunset at 7:18 pm. On the last day of April, in Germantown, sunrise is at 5:46 am and sunset at 7:52 pm CDT.

Sunshine

The average sunshine in April in Germantown is 7.5h.

UV index

The average daily maximum UV index in April in Germantown is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in April in Germantown?

In April, the average relative humidity in Germantown, Wisconsin, is 77%.

How much does it rain in Germantown in April?

In Germantown, Wisconsin, during April, the rain falls for 15.7 days and regularly aggregates up to 2.83" (72mm) of precipitation.

What is the last month it snows in Germantown?

April is the last month it regularly snows in Germantown, Wisconsin. During 2.8 snowfall days, in April, Germantown aggregates 1.46" (37mm) of snow.

What is the average length of the day in April in Germantown?

In Germantown, the average day length in April is 13h and 26min.

When is the sunrise / sunset in April in Germantown?

In April, on the first day of the month, sunrise is at 6:33 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 7:52 pm CDT.

How long on average sun shines in April in Germantown?

In Germantown, the average sunshine duration in April is 7.5h.

What is the UV index reading in April in Germantown?

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.

Average temperature in April
Germantown, WI

Average temperature in April - Germantown, WI
  • Average high temperature in April: 50.2°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in April: 37°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure in April
Germantown, WI

Average pressure in April - Germantown, WI
  • Average pressure in April: 29.96"Hg

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in April
Germantown, WI

Average wind speed in April - Germantown, WI
  • Average wind speed in April: 10.4mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in April
Germantown, WI

Average humidity in April - Germantown, WI
  • Average humidity in April: 77%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in April
Germantown, WI

Average rainfall in April - Germantown, WI
  • Average rainfall in April: 2.83"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days in April
Germantown, WI

Average rainfall days in April - Germantown, WI
  • Average rainfall days in April: 15.7 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall in April
Germantown, WI

Average snowfall in April - Germantown, WI
  • Average snowfall in April: 1.46"

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Germantown, WI

Average snowfall days in April - Germantown, WI
  • Average snowfall days in April: 2.8 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Germantown, WI

Average daylight in April / Average sunshine in April - Germantown, WI
  • Average daylight in April: 13h and 26min

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 2min).

  • Average sunshine in April: 7.5h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 3.6h).

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Average sunshine days in April
Germantown, WI

Average sunshine days in April - Germantown, WI
  • Average sunshine days in April: 12 days

The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (12 days).

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Average UV index in April
Germantown, WI

Average UV index in April - Germantown, WI
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in April
Germantown, WI

Average cloud cover in April - Germantown, WI
  • Average cloud cover in April: 51

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in April
Germantown, WI

Average visibility in April - Germantown, WI
  • Average visibility in April: 6mi

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

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