April weather forecast
Wilton, WI

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Weather in April

April in Wilton, Wisconsin, is a fresh spring month, with an average temperature fluctuating between 35.2°F (1.8°C) and 52.3°F (11.3°C).

Temperature

With the onset of April, Wilton's weather sees a temperature rise, transitioning from a cold 40.1°F (4.5°C) in March to a fresh 52.3°F (11.3°C). In Wilton, the average low-temperature during the month of April is a cold 35.2°F (1.8°C).

Humidity

With an average relative humidity of 77%, April is the least humid month in Wilton.

Rainfall

In Wilton, during April, the rain falls for 12.8 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 112.6 rainfall days, and 18.11" (460mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Wilton, during April, snow falls for 3 days and regularly aggregates up to 2.05" (52mm) of snow. In Wilton, during the entire year, snow falls for 58.3 days and aggregates up to 16.02" (407mm) of snow.

Daylight

In Wilton, the average length of the day in April is 13h and 28min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:29 pm. On the last day of April, sunrise is at 5:54 am and sunset at 8:04 pm CDT.

Sunshine

In April, the average sunshine is 6.8h.

UV index

In Wilton, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

The average high-temperature and low-temperature during April are 52.3°F (11.3°C) and 35.2°F (1.8°C) respectively.

What is the least humid month?

With an average relative humidity of 77%, April is the least humid month in Wilton.

What is the average humidity in April?

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

How much does it rain in April?

In April, the rain falls for 12.8 days. Throughout April, 1.57" (40mm) of precipitation is accumulated.

How much does it snow in April?

In Wilton, during April, snow falls for 3 days and regularly aggregates up to 2.05" (52mm) of snow.

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

In Wilton, the average day length in April is 13h and 28min.

What time are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:41 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:04 pm CDT.

How long on average sun shines in April?

In Wilton, the average sunshine duration in April is 6.8h.

How high is the UV index in April?

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Wilton, WI

Average temperature in April - Wilton, WI
  • Average high temperature in April: 52.3°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (21.4°F).

  • Average low temperature in April: 35.2°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

Average pressure in April
Wilton, WI

Average pressure in April - Wilton, WI
  • Average pressure in April: 29.95"Hg

The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in April
Wilton, WI

Average wind speed in April - Wilton, WI
  • Average wind speed in April: 9.3mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in April
Wilton, WI

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

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (77%).

Average rainfall in April
Wilton, WI

Average rainfall in April - Wilton, WI
  • Average rainfall in April: 1.57"

The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.67").

Average rainfall days in April
Wilton, WI

Average rainfall days in April - Wilton, WI
  • Average rainfall days in April: 12.8 days

The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (2.1 days).

Average snowfall in April
Wilton, WI

Average snowfall in April - Wilton, WI
  • Average snowfall in April: 2.05"

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Wilton, WI

Average snowfall days in April - Wilton, WI
  • Average snowfall days in April: 3 days

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Wilton, WI
  • Average daylight in April: 13h and 3min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in April: 6h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in April
Wilton, WI

Average sunshine days in April - Wilton, WI
  • Average sunshine days in April: 14 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (11.6 days).

Average UV index in April
Wilton, WI

Average UV index in April - Wilton, 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, February, November and December (UV index 1).

Average cloud cover in April
Wilton, WI

Average cloud cover in April - Wilton, WI
  • Average cloud cover in April: 54

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in April
Wilton, WI

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

The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).

Wilton, Wisconsin, USA

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