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
Flossmoor, Illinois, sees an increase in the average high-temperature with the arrival of April, moving from March's chilly 45.5°F (7.5°C) to a mild 56.7°F (13.7°C). During the nights in April, Flossmoor experiences a consistent average temperature of 41.7°F (5.4°C).Humidity
In Flossmoor, the average relative humidity in April is 75%.Rainfall
In Flossmoor, in April, during 16.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, there are 155.6 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.9 snowfall days, in April, Flossmoor aggregates 1.97" (50mm) of snow. In Flossmoor, during the entire year, snow falls for 44.6 days and aggregates up to 16.46" (418mm) of snow.Daylight
The average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:16 pm. On the last day of April, sunrise is at 5:47 am and sunset at 7:47 pm CDT.
Sunshine
In Flossmoor, the average sunshine in April is 7.6h.UV index
In Flossmoor, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 3 in April translates into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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 much does it rain in April?
What is the last month it snows?
How many hours of daylight does Flossmoor have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Flossmoor have in April?
What is the UV index intensity in April in Flossmoor?
Average temperature in April
Flossmoor, IL
- Average high temperature in April: 56.7°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 41.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in April
Flossmoor, 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
Flossmoor, IL
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Flossmoor, IL
- Average humidity in April: 75%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Flossmoor, IL
- Average rainfall in April: 3.43"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in April
Flossmoor, IL
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in April
Flossmoor, IL
- Average snowfall in April: 1.97"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Flossmoor, IL
- Average snowfall days in April: 1.9 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Flossmoor, 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 12min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Flossmoor, IL
- Average sunshine days in April: 10.2 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in April
Flossmoor, IL
- Average UV index in April: 3
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
Flossmoor, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Flossmoor, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Flossmoor, Illinois, USA
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