April weather forecast
Rantoul, IL

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April

Weather in April

April is an enjoyable spring month in Rantoul, Illinois, with an average temperature varying between 7.4°C and 16°C.

Temperature

With the onset of April, Rantoul's average high-temperature experiences a rise, moving from March's chilly 9.5°C to a refreshing 16°C. Throughout April nights, Rantoul experiences a consistent temperature average of 7.4°C.

Humidity

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

Rainfall

In April, in Rantoul, the rain falls for 12.8 days. Throughout April, 40mm of precipitation is accumulated. In Rantoul, during the entire year, the rain falls for 121.5 days and collects up to 342mm of precipitation.

Snowfall

January through April, November and December are months with snowfall in Rantoul. April is the last month it regularly snows. During 0.8 snowfall days, in April, Rantoul aggregates 2mm of snow. In Rantoul, during the entire year, snow falls for 26.9 days and aggregates up to 96mm of snow.

Daylight

In Rantoul, Illinois, the average length of the day in April is 13h and 19min.
On the first day of April, sunrise is at 6:34 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:47 pm CDT.

Sunshine

In April, the average sunshine is 8h.

UV index

In Rantoul, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. To protect against the Sun's most potent rays, avoid direct exposure around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures in Rantoul?
The high-temperature in Rantoul during April is 16°C and the low-temperature is 7.4°C.
What is the average humidity in April in Rantoul?
The average relative humidity in April is 74%.
How many days does it rain in April in Rantoul?
In Rantoul, in April, during 12.8 rainfall days, 40mm of precipitation is typically accumulated.
What is the last month it snows in Rantoul?
April is the last month it regularly snows in Rantoul, Illinois. During 0.8 snowfall days, in April, Rantoul aggregates 2mm of snow.
What is the average length of the day in April in Rantoul?
The average day length in April is 13h and 19min.
When is the sunrise / sunset in April in Rantoul?
In April, on the first day of the month, sunrise is at 6:34 am and sunset at 7:17 pm. On the last day of the month, in Rantoul, sunrise is at 5:52 am and sunset at 7:47 pm CDT.
How many hours of sunshine does Rantoul have in April?
In Rantoul, Illinois, the average sunshine duration in April is 8h.
What is the UV index intensity in April in Rantoul?
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJFMAprilMJJASOND
Mar
April
May
Average high temperature
9.5°C
16°C
22.3°C
Average low temperature
1.3°C
7.4°C
13.1°C
Average pressure
1018.7mbar
1014mbar
1014.6mbar
Average wind speed
16.5km/h
16.9km/h
14.4km/h
Average max. wind speed
17.7km/h
18.3km/h
15.5km/h
Average wind speed gusts
25.3km/h
25.8km/h
22.1km/h
Average humidity
75%
74%
76%
Average rainfall
31mm
40mm
45mm
Average rainfall days
10.3
12.8
14.8
Average snowfall
9mm
2mm
0mm
Average snowfall days
2.9
0.8
0
Average daylight
12h 0min
13h 2min
14h 2min
Average sunshine
6h 2min
8h 0min
9h 0min
Average sunshine days
16.8
14.7
13.2
Average UV index
3
4
5
Average cloud cover
48%
46%
40%
Average visibility
9km
9km
9km
Average temperature in April
Rantoul, IL
  • Average high temperature in April: 16°C

The warmest month (with the highest average high temperature) is July (27.2°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in April: 7.4°C

The month with the highest average low temperature is July (18.2°C).
The coldest month (with the lowest average low temperature) is January (-6.8°C).

Average pressure in April
Rantoul, IL
  • Average pressure in April: 1014mbar

The month with the highest atmospheric pressure is January (1020.6mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

Average wind speed in April
Rantoul, IL
  • Average wind speed in April: 16.9km/h

The windiest month (with the highest average wind speed) is January (17.3km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

Average humidity in April
Rantoul, 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 (71%).

Average rainfall in April
Rantoul, IL
  • Average rainfall in April: 40mm

The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in April
Rantoul, IL
  • Average rainfall days in April: 12.8 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in April
Rantoul, IL
  • Average snowfall in April: 2mm

The month with the highest snowfall is February (35mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in April
Rantoul, IL
  • Average snowfall days in April: 0.8 days

The month with the highest number of snowfall days is January (7.9 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
Rantoul, IL
  • Average daylight in April: 13h and 2min

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

  • Average sunshine in April: 8h and 0min

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

Average sunshine days in April
Rantoul, IL
  • Average sunshine days in April: 14.7 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in April
Rantoul, 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).

Average cloud cover in April
Rantoul, IL
  • Average cloud cover in April: 46

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in April
Rantoul, IL
  • Average visibility in April: 9km

The month with the highest visibility is October (10km).
The months with the lowest visibility are July and August (8km).

°Celsius°Fahrenheit
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