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's onset brings a temperature rise, moving from a chilly 47.5°F (8.6°C) in March to a refreshing 59.5°F (15.3°C). Throughout April, a steady low-temperature average of 43.5°F (6.4°C) is noted.Humidity
In Clifton, the average relative humidity in April is 74%.Rainfall
In Clifton, in April, it is raining for 13.7 days, with typically 2.4" (61mm) of accumulated precipitation. In Clifton, during the entire year, the rain falls for 138.7 days and collects up to 21.77" (553mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.3 snowfall days, in April, Clifton aggregates 1.02" (26mm) of snow. In Clifton, during the entire year, snow falls for 35.3 days and aggregates up to 9.37" (238mm) of snow.Daylight
The average length of the day in April is 13h and 20min.On the first day of April, sunrise is at 6:33 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:47 pm CDT.
Sunshine
In April, the average sunshine is 7.6h.UV index
In Clifton, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, a daily maximum UV index of 4 leads to the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Clifton?
What is the average humidity in April?
How much does it rain in Clifton in April?
What is the last month it snows?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Clifton, IL
- Average high temperature in April: 59.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in April: 43.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in April
Clifton, IL
- Average pressure in April: 29.95"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
Clifton, IL
- Average wind speed in April: 10.2mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Clifton, 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
Clifton, IL
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January, February and December (1.06").
Average rainfall days in April
Clifton, IL
- Average rainfall days in April: 13.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in April
Clifton, IL
- Average snowfall in April: 1.02"
The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Clifton, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (10.8 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
Clifton, 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 4min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Clifton, IL
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in April
Clifton, 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
Clifton, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in April
Clifton, 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).
Clifton, Illinois, USA
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