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
April brings a temperature change, with average high-temperatures moving from March's chilly 43.9°F (6.6°C) to a mild 55.6°F (13.1°C). During April, the average low-temperature is recorded at an icy 39°F (3.9°C).Humidity
The average relative humidity in April is 76%.Rainfall
In Roscoe, during April, the rain falls for 12.9 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Roscoe, during the entire year, the rain falls for 123.8 days and collects up to 14.49" (368mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.3 snowfall days, in April, Roscoe aggregates 0.51" (13mm) of snow. Throughout the year, there are 38.3 snowfall days, and 6.57" (167mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 24min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:22 pm. On the last day of April, sunrise is at 5:51 am and sunset at 7:55 pm CDT.
Sunshine
In Roscoe, Illinois, the average sunshine in April is 7.5h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. 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 is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Roscoe have in April?
What is the UV index reading in April?
Average temperature in April
Roscoe, IL
- Average high temperature in April: 55.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in April: 39°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in April
Roscoe, IL
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Roscoe, IL
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Roscoe, IL
- Average humidity in April: 76%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall in April
Roscoe, IL
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is June (2.2").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in April
Roscoe, IL
- Average rainfall days in April: 12.9 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in April
Roscoe, IL
- Average snowfall in April: 0.51"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Roscoe, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (10.3 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
Roscoe, 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 6min).
- Average sunshine in April: 7h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in April
Roscoe, 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 June (11.4 days).
Average UV index in April
Roscoe, IL
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Roscoe, IL
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in April
Roscoe, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Roscoe, Illinois, USA
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