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
Observing a rise in April, the average high-temperature goes from March's chilly 43.3°F (6.3°C) to a fresh 55°F (12.8°C). Throughout the nights in April, Rockton experiences an average low-temperature of 38.7°F (3.7°C).Humidity
April and October, with an average relative humidity of 76%, are the least humid months.Rainfall
In Rockton, in April, during 13.1 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Rockton, during the entire year, the rain falls for 122.2 days and collects up to 16.42" (417mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Rockton. April is the last month it regularly snows in Rockton, Illinois. During 2.1 snowfall days, in April, Rockton aggregates 0.75" (19mm) of snow. Throughout the year, there are 41.2 snowfall days, and 8.78" (223mm) of snow is accumulated.Daylight
In April, the average length of the day in Rockton, Illinois, is 13h and 24min.On the first day of April, sunrise is at 6:37 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:55 pm CDT.
Sunshine
In April, the average sunshine is 7.2h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 3 during April translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Rockton in April?
What are the least humid months in Rockton?
What is the average humidity in April in Rockton?
How much does it rain in Rockton in April?
What is the last month it snows in Rockton?
How many hours of daylight does Rockton have in April?
What time are sunrise and sunset in April in Rockton?
How long on average sun shines in April in Rockton?
How high is the UV index in April in Rockton?
Average temperature in April
Rockton, IL
- Average high temperature in April: 55°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 (25.2°F).
- Average low temperature in April: 38.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in April
Rockton, 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 (29.91"Hg).
Average wind speed in April
Rockton, 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 (6.4mph).
Average humidity in April
Rockton, IL
- Average humidity in April: 76%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in April
Rockton, IL
- Average rainfall in April: 1.73"
The wettest month (with the highest rainfall) is June (2.28").
The driest months (with the least rainfall) are February and December (0.67").
Average rainfall days in April
Rockton, IL
- Average rainfall days in April: 13.1 days
The months with the highest number of rainy days are May and June (15.3 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in April
Rockton, IL
- Average snowfall in April: 0.75"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Rockton, IL
- Average snowfall days in April: 2.1 days
The month with the highest number of snowfall days is January (11.5 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
Rockton, 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 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in April
Rockton, IL
- Average sunshine days in April: 14.2 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in April
Rockton, 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
Rockton, IL
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in April
Rockton, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Rockton, Illinois, USA
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