April weather forecast
Wilton, IA

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Weather in April

April is a mild spring month in Wilton, Iowa, with an average temperature ranging between max 58.6°F (14.8°C) and min 42.4°F (5.8°C).

Temperature

April's arrival sees a rise in the average high-temperature, jumping from March's chilly 46.6°F (8.1°C) to a refreshing 58.6°F (14.8°C). Throughout April, Wilton's nights cool down to an average of 42.4°F (5.8°C).

Humidity

In Wilton, Iowa, the average relative humidity in April is 74%.

Rainfall

In April, the rain falls for 16 days. Throughout April, 2.99" (76mm) of precipitation is accumulated. In Wilton, Iowa, during the entire year, the rain falls for 136.1 days and collects up to 27.8" (706mm) of precipitation.

Snowfall

Months with snowfall in Wilton are January through April, October through December. April is the last month it regularly snows in Wilton. During 0.9 snowfall days, in April, Wilton aggregates 0.63" (16mm) of snow. Throughout the year, in Wilton, there are 34.4 snowfall days, and 13.19" (335mm) of snow is accumulated.

Daylight

In Wilton, the average length of the day in April is 13h and 22min.
On the first day of April in Wilton, Iowa, sunrise is at 6:45 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:01 pm CDT.

Sunshine

In Wilton, Iowa, the average sunshine in April is 7.7h.

UV index

In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In April, the UV index of 4 transforms into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures in Wilton?

The average high-temperature and low-temperature during April are 58.6°F (14.8°C) and 42.4°F (5.8°C) respectively.

What is the average humidity in April in Wilton?

The average relative humidity in April in Wilton, Iowa, is 74%.

How much does it rain in Wilton in April?

In Wilton, Iowa, during April, the rain falls for 16 days and regularly aggregates up to 2.99" (76mm) of precipitation.

What is the last month it snows in Wilton?

April is the last month it regularly snows in Wilton. During 0.9 snowfall days, in April, Wilton aggregates 0.63" (16mm) of snow.

How many hours of daylight does Wilton have in April?

In April, the average day length in Wilton, Iowa, is 13h and 22min.

When is the sunrise / sunset in April in Wilton?

On the first day of April in Wilton, sunrise is at 6:45 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:01 pm CDT.

How long on average sun shines in April in Wilton?

The average sunshine duration in April in Wilton, Iowa, is 7.7h.

What is the UV index intensity in April in Wilton?

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents 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
Wilton, IA

Average temperature in April - Wilton, IA
  • Average high temperature in April: 58.6°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in April: 42.4°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in April
Wilton, IA

Average pressure in April - Wilton, IA
  • Average pressure in April: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in April
Wilton, IA

Average wind speed in April - Wilton, IA
  • Average wind speed in April: 10.7mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in April
Wilton, IA

Average humidity in April - Wilton, IA
  • Average humidity in April: 74%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in April
Wilton, IA

Average rainfall in April - Wilton, IA
  • Average rainfall in April: 2.99"

The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days in April
Wilton, IA

Average rainfall days in April - Wilton, IA
  • Average rainfall days in April: 16 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.4 days).

Average snowfall in April
Wilton, IA

Average snowfall in April - Wilton, IA
  • Average snowfall in April: 0.63"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Wilton, IA

Average snowfall days in April - Wilton, IA
  • Average snowfall days in April: 0.9 days

The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Wilton, IA
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in April: 7h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in April
Wilton, IA

Average sunshine days in April - Wilton, IA
  • Average sunshine days in April: 12.6 days

The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in April
Wilton, IA

Average UV index in April - Wilton, IA
  • Average UV index in April: 4

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

Average cloud cover in April
Wilton, IA

Average cloud cover in April - Wilton, IA
  • Average cloud cover in April: 48

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in April
Wilton, IA

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

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

Wilton, Iowa, USA

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