April weather forecast
Champaign, IL

An old building that works as an auditorium within the University of Illinois in Champaign
An old building that works as an auditorium within the University of Illinois in Champaign

Weather in April

April in Champaign, Illinois, is a comfortable spring month, with an average temperature ranging between min 45.7°F (7.6°C) and max 61.3°F (16.3°C).

Temperature

In April, the average high-temperature rises from a chilly 49.5°F (9.7°C) in March to a comfortable 61.3°F (16.3°C). In Champaign, the average low-temperature is 45.7°F (7.6°C).

Humidity

In April, the average relative humidity is 74%.

Rainfall

The month with the most rainfall is April, when the rain falls for 13.8 days and typically aggregates up to 2.24" (57mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Champaign. April is the last month it regularly snows. During 0.6 snowfall days, in April, Champaign aggregates 0.12" (3mm) of snow. In Champaign, Illinois, during the entire year, snow falls for 27.1 days and aggregates up to 5.91" (150mm) of snow.

Daylight

In April, the average length of the day in Champaign is 13h and 18min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:17 pm. On the last day of April, in Champaign, sunrise is at 5:53 am and sunset at 7:46 pm CDT.

Sunshine

The average sunshine in April in Champaign is 8.1h.

UV index

In April, the average daily maximum UV index in Champaign is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In April, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Champaign?

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

What is the wettest month in Champaign?

The month with the most rainfall in Champaign is April, when the rain falls for 13.8 days and typically aggregates up to 2.24" (57mm) of precipitation.

How much does it rain in Champaign in April?

In Champaign, in April, it is raining for 13.8 days, with typically 2.24" (57mm) of accumulated precipitation.

What is the last month it snows in Champaign?

April is the last month it regularly snows in Champaign, Illinois. During 0.6 snowfall days, in April, Champaign aggregates 0.12" (3mm) of snow.

How many hours of daylight does Champaign have in April?

In April, the average day length in Champaign, Illinois, is 13h and 18min.

When is the sunrise / sunset in April in Champaign?

On the first day of April in Champaign, Illinois, sunrise is at 6:36 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:46 pm CDT.

How many hours of sunshine does Champaign have in April?

In April, the average sunshine duration in Champaign is 8.1h.

What is the UV index intensity in April in Champaign?

In April, the average daily maximum UV index in Champaign is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.

Average temperature in April
Champaign, IL

Average temperature in April - Champaign, IL
  • Average high temperature in April: 61.3°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in April: 45.7°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in April
Champaign, IL

Average pressure in April - Champaign, IL
  • Average pressure in April: 29.94"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in April
Champaign, IL

Average wind speed in April - Champaign, IL
  • Average wind speed in April: 10.6mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in April
Champaign, IL

Average humidity in April - Champaign, IL
  • Average humidity in April: 74%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in April
Champaign, IL

Average rainfall in April - Champaign, IL
  • Average rainfall in April: 2.24"

The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is September (0.94").

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Average rainfall days in April
Champaign, IL

Average rainfall days in April - Champaign, IL
  • Average rainfall days in April: 13.8 days

The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (6 days).

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Average snowfall in April
Champaign, IL

Average snowfall in April - Champaign, IL
  • Average snowfall in April: 0.12"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Champaign, IL

Average snowfall days in April - Champaign, IL
  • Average snowfall days in April: 0.6 days

The month with the highest number of snowfall days is January (8.7 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
Champaign, IL

Average daylight in April / Average sunshine in April - Champaign, IL
  • Average daylight in April: 13h and 18min

The month with the longest days is June (Average daylight: 14h and 59min).
The month with the shortest days is December (Average daylight: 9h and 22min).

  • Average sunshine in April: 8.1h

The month with the most sunshine is June (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 4h).

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Average sunshine days in April
Champaign, IL

Average sunshine days in April - Champaign, IL
  • Average sunshine days in April: 13.6 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in April
Champaign, IL

Average UV index in April - Champaign, IL
  • Average UV index in April: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in April
Champaign, IL

Average cloud cover in April - Champaign, IL
  • Average cloud cover in April: 45

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in April
Champaign, IL

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

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

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