April weather forecast
Wheaton, IL

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Weather in April

April in Wheaton is known for a significant rise in temperatures, high rainfall, and longer daylight hours. It features an apparent spike in rainfall, with 3.78" (96mm), ushering in the refreshing showers of springtime. As the temperatures steer clear of the freezing point, snowfall ceases. The city basks in more sunshine duration, and days begin to feel noticeably longer. The city begins to lively, and colors return as the spring season fully sets in.

Temperature

April's arrival in Wheaton coincides with a temperature rise, moving from March's frosty 45°F (7.2°C) to a refreshing 56.3°F (13.5°C). In Wheaton, the expected average low-temperature for April is an icy 40.3°F (4.6°C).

Humidity

The average relative humidity in April in Wheaton is 75%.

Rainfall

In Wheaton, in April, it is raining for 17 days, with typically 3.78" (96mm) of accumulated precipitation. In Wheaton, during the entire year, the rain falls for 164.3 days and collects up to 33.78" (858mm) of precipitation.

Snowfall

Months with snowfall in Wheaton are January through May, October through December. In Wheaton, Illinois, during April, snow falls for 1.8 days and regularly aggregates up to 2.6" (66mm) of snow. In Wheaton, during the entire year, snow falls for 47 days and aggregates up to 20.2" (513mm) of snow.

Daylight

In April, the average length of the day in Wheaton is 13h and 23min.
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 Wheaton, sunrise is at 5:48 am and sunset at 7:50 pm CDT.

Sunshine

The average sunshine in April in Wheaton is 7.6h.

UV index

In Wheaton, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 3 during April translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in April in Wheaton?

The average high-temperature, in April, in Wheaton, is 56.3°F (13.5°C), while the average low-temperature is 40.3°F (4.6°C).

What is the average humidity in April in Wheaton?

The average relative humidity in April is 75%.

How many days does it rain in April in Wheaton?

In Wheaton, in April, it is raining for 17 days, with typically 3.78" (96mm) of accumulated precipitation.

How much does it snow in Wheaton in April?

In Wheaton, in April, during 1.8 snowfall days, 2.6" (66mm) of snow is typically accumulated.

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

In April, the average day length in Wheaton, Illinois, is 13h and 23min.

When are sunrise and sunset in April in Wheaton?

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 5:48 am and sunset at 7:50 pm CDT.

How long on average sun shines in April in Wheaton?

The average sunshine duration in April in Wheaton, Illinois, is 7.6h.

What is the UV index reading in April in Wheaton?

In Wheaton, Illinois, the average daily maximum UV index in April is 3. A UV Index estimate 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
Wheaton, IL

Average temperature in April - Wheaton, IL
  • Average high temperature in April: 56.3°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in April: 40.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in April
Wheaton, IL

Average pressure in April - Wheaton, IL
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in April
Wheaton, IL

Average wind speed in April - Wheaton, IL
  • Average wind speed in April: 9.6mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in April
Wheaton, IL

Average humidity in April - Wheaton, IL
  • Average humidity in April: 75%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in April
Wheaton, IL

Average rainfall in April - Wheaton, IL
  • Average rainfall in April: 3.78"

The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are November and December (1.65").

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Average rainfall days in April
Wheaton, IL

Average rainfall days in April - Wheaton, IL
  • Average rainfall days in April: 17 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in April
Wheaton, IL

Average snowfall in April - Wheaton, IL
  • Average snowfall in April: 2.6"

The month with the highest snowfall is January (5.87").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Wheaton, IL

Average snowfall days in April - Wheaton, IL
  • Average snowfall days in April: 1.8 days

The month with the highest number of snowfall days is January (13.1 days).
The 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
Wheaton, IL

Average daylight in April / Average sunshine in April - Wheaton, IL
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 12min).
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 August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in April
Wheaton, IL

Average sunshine days in April - Wheaton, IL
  • Average sunshine days in April: 9.4 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is July (8.2 days).

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Average UV index in April
Wheaton, IL

Average UV index in April - Wheaton, IL
  • Average UV index in April: 3

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

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Average cloud cover in April
Wheaton, IL

Average cloud cover in April - Wheaton, IL
  • Average cloud cover in April: 49

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).

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Average visibility in April
Wheaton, IL

Average visibility in April - Wheaton, IL
  • Average visibility in April: 6mi

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

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Wheaton, Illinois, USA

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