April weather forecast
Germantown, WI

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Weather in April

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

Temperature

April's arrival is marked by an increase in the average high-temperature, moving from a cold 39.4°F (4.1°C) in March to a fresh 50.2°F (10.1°C). Germantown observes an average low-temperature of 37°F (2.8°C) during April.

Humidity

In Germantown, Wisconsin, the average relative humidity in April 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, 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 in Germantown, Wisconsin. During 2.8 snowfall days, in April, Germantown aggregates 1.46" (37mm) of snow. Throughout the year, there are 48.9 snowfall days, and 15.35" (390mm) of snow is accumulated.

Daylight

In Germantown, the average length of the day in April is 13h and 26min.
On the first day of April in Germantown, sunrise is at 6:32 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 7:53 pm CDT.

Sunshine

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

UV index

In April, the average daily maximum UV index in Germantown, Wisconsin, is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What is the usual temperature for Germantown in April?

During April, Germantown experiences an average high-temperature of 50.2°F (10.1°C) and a low-temperature of 37°F (2.8°C).

What is the average humidity in April in Germantown?

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

How much does it rain in Germantown in April?

In Germantown, Wisconsin, in April, during 15.7 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

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

What time are sunrise and sunset in April in Germantown?

On the first day of April, sunrise is at 6:32 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 7:53 pm CDT.

How long on average sun shines in April in Germantown?

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

What is the UV index reading in April in Germantown?

In April, the average daily maximum UV index in Germantown, Wisconsin, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in April: 7h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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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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Germantown, Wisconsin, USA

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