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 arrival brings a change in high-temperatures, moving from a frosty 47.8°F (8.8°C) in March to a refreshing 60.1°F (15.6°C). Nighttime temperature experiences an average drop to a frosty 43.9°F (6.6°C) in April.Humidity
In Cissna Park, Illinois, the average relative humidity in April is 75%.Rainfall
In Cissna Park, in April, during 14.1 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Cissna Park, during the entire year, the rain falls for 143.2 days and collects up to 22.24" (565mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.6 snowfall days, in April, Cissna Park aggregates 0.16" (4mm) of snow. Throughout the year, in Cissna Park, Illinois, there are 32.6 snowfall days, and 9.69" (246mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 19min.On the first day of April, sunrise is at 6:33 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:46 pm CDT.
Sunshine
In Cissna Park, the average sunshine in April is 7.9h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In April, an average UV index of 3 transforms into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. 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 usual temperature for Cissna Park in April?
What is the average humidity in April in Cissna Park?
How many days does it rain in April in Cissna Park?
What is the last month it snows in Cissna Park?
How many hours of daylight does Cissna Park have in April?
When is the sunrise / sunset in April in Cissna Park?
How many hours of sunshine does Cissna Park have in April?
How high is the UV index in April in Cissna Park?
Average temperature in April
Cissna Park, IL
- Average high temperature in April: 60.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in April: 43.9°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 (19°F).
Average pressure in April
Cissna Park, 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 (29.93"Hg).
Average wind speed in April
Cissna Park, IL
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in April
Cissna Park, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Cissna Park, IL
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in April
Cissna Park, IL
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in April
Cissna Park, IL
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Cissna Park, IL
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (10.4 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
Cissna Park, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Cissna Park, IL
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in April
Cissna Park, 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, February, November and December (UV index 2).
Average cloud cover in April
Cissna Park, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in April
Cissna Park, 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).
Cissna Park, Illinois, USA
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