Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
In Cornell, the average high-temperature in April rises, from a chilly 47.5°F (8.6°C) in March, to a mild 59.7°F (15.4°C). The average low-temperature during April nights is a frosty 43.7°F (6.5°C).Humidity
In Cornell, the average relative humidity in April is 74%.Rainfall
In Cornell, in April, during 13 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Cornell, Illinois, during the entire year, the rain falls for 125.3 days and collects up to 15.71" (399mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.8 snowfall days, in April, Cornell aggregates 0.79" (20mm) of snow. Throughout the year, in Cornell, there are 30.6 snowfall days, and 6.93" (176mm) of snow is accumulated.Daylight
The average length of the day in April in Cornell is 13h and 20min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:20 pm. On the last day of April, in Cornell, sunrise is at 5:53 am and sunset at 7:51 pm CDT.
Sunshine
In Cornell, the average sunshine in April is 7.9h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 4 in April, converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Experience reduced UV exposure by about half when donning a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Cornell in April?
What is the average humidity in April in Cornell?
How much does it rain in Cornell in April?
What is the last month it snows in Cornell?
How many hours of daylight does Cornell have in April?
What time are sunrise and sunset in April in Cornell?
How long on average sun shines in April in Cornell?
What is the UV index reading in April in Cornell?
Average temperature in April
Cornell, IL
- Average high temperature in April: 59.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in April: 43.7°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 (18.5°F).
Average pressure in April
Cornell, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Cornell, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Cornell, 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
Cornell, IL
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in April
Cornell, IL
- Average rainfall days in April: 13 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in April
Cornell, IL
- Average snowfall in April: 0.79"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Cornell, IL
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (10.2 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
Cornell, IL
- 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 18min).
- Average sunshine in April: 7h and 5min
The months with the most sunshine are June and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Cornell, IL
- Average sunshine days in April: 14 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in April
Cornell, IL
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Cornell, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in April
Cornell, 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).
Cornell, Illinois, USA
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