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
With the onset of April, Roselle experiences a temperature shift, with the average high-temperature moving from a chilly 44.1°F (6.7°C) in March to a mild 55.6°F (13.1°C). In Roselle, the average low-temperature during the month of April is a cold 39.9°F (4.4°C).Humidity
In April, the average relative humidity is 75%.Rainfall
In Roselle, Illinois, in April, during 15.6 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Roselle, during the entire year, the rain falls for 147.4 days and collects up to 24.69" (627mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Roselle. In Roselle, Illinois, in April, snow falls for 2.2 days, with typically accumulated 2.36" (60mm) of snow. In Roselle, during the entire year, snow falls for 48.9 days and aggregates up to 15.47" (393mm) of snow.Daylight
In Roselle, the average length of the day in April is 13h and 23min.On the first day of April in Roselle, 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.
Sunshine
In April, the average sunshine is 7.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 3 during April leads to these instructions:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Roselle?
What is the average humidity in April in Roselle?
How much does it rain in Roselle in April?
How much does it snow in Roselle in April?
What is the average length of the day in April in Roselle?
What time are sunrise and sunset in April in Roselle?
How long on average sun shines in April in Roselle?
What is the UV index reading in April in Roselle?
Average temperature in April
Roselle, IL
- Average high temperature in April: 55.6°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in April: 39.9°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in April
Roselle, 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).
Average wind speed in April
Roselle, IL
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Roselle, 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%).
Average rainfall in April
Roselle, IL
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in April
Roselle, IL
- Average rainfall days in April: 15.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in April
Roselle, IL
- Average snowfall in April: 2.36"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Roselle, IL
- Average snowfall days in April: 2.2 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).
Average daylight in April /
Average sunshine in April
Roselle, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Roselle, IL
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in April
Roselle, IL
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Roselle, IL
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 33).
Average visibility in April
Roselle, 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).
Roselle, Illinois, USA
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