April weather forecastMerrionette Park, IL
April
Weather in April
April in Merrionette Park, Illinois, is a fresh spring month, with temperature in the range of an average high of 55.2°F (12.9°C) and an average low of 41.2°F (5.1°C).Temperature
With the onset of April, Merrionette Park sees a temperature rise, with the average high-temperature moving from March's chilly 44.2°F (6.8°C) to a cool 55.2°F (12.9°C). During April, Merrionette Park records a consistent average nighttime temperature of 41.2°F (5.1°C).Humidity
In April, the average relative humidity is 75%.Rainfall
In Merrionette Park, in April, it is raining for 15.1 days, with typically 2.32" (59mm) of accumulated precipitation. In Merrionette Park, during the entire year, the rain falls for 147.7 days and collects up to 23.62" (600mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 2.3 snowfall days, in April, Merrionette Park aggregates 1.89" (48mm) of snow. In Merrionette Park, during the entire year, snow falls for 42.4 days and aggregates up to 11.61" (295mm) 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 7:48 pm CDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
In Merrionette Park, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 during April leads to these advisories:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Merrionette Park, IL
- Average high temperature in April: 55.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in April: 41.2°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in April
Merrionette Park, 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
Merrionette Park, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Merrionette Park, 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 (72%).
Average rainfall in April
Merrionette Park, IL
- Average rainfall in April: 2.32"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in April
Merrionette Park, IL
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in April
Merrionette Park, IL
- Average snowfall in April: 1.89"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Merrionette Park, IL
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (11.8 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
Merrionette Park, IL
- Average daylight in April: 13h and 24min
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 12min).
- Average sunshine in April: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Merrionette Park, IL
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in April
Merrionette Park, IL
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Merrionette Park, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Merrionette Park, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
