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
The start of April brings a shift in the average high-temperature, increasing from March's frosty 47.5°F (8.6°C) to a refreshing 59.5°F (15.3°C). April is noted for a mean low-temperature of 43.5°F (6.4°C).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
Months with snowfall in Clifton are January through April, October through December. 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
In Clifton, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:17 pm. On the last day of April, in Clifton, sunrise is at 5:49 am and sunset at 7:47 pm CDT.
Sunshine
In April, the average sunshine in Clifton is 7.6h.UV index
In Clifton, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 4 suggests this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the temperature in April in Clifton?
What is the average humidity in April in Clifton?
How much does it rain in Clifton in April?
What is the last month it snows in Clifton?
How many hours of daylight does Clifton have in April?
What time are sunrise and sunset in April in Clifton?
How many hours of sunshine does Clifton have in April?
What is the UV index intensity in April in Clifton?
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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