April weather forecastCountryside, IL
April
Weather in April
April is a refreshing spring month in Countryside, Illinois, with an average temperature fluctuating between 55.9°F (13.3°C) and 40.8°F (4.9°C).Temperature
April's arrival brings a temperature shift, moving from a frosty 45.1°F (7.3°C) in March to a moderate 55.9°F (13.3°C). Countryside experiences a nighttime temperature average of 40.8°F (4.9°C) during April.Humidity
In Countryside, the average relative humidity in April is 74%.Rainfall
In April, the rain falls for 17.6 days. Throughout April, 3.66" (93mm) of precipitation is accumulated. Throughout the year, there are 166.8 rainfall days, and 34.96" (888mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.8 snowfall days, in April, Countryside aggregates 2.17" (55mm) of snow. In Countryside, during the entire year, snow falls for 47.1 days and aggregates up to 19.02" (483mm) of snow.Daylight
The average length of the day in April in Countryside is 13h and 22min.On the first day of April, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:49 pm CDT.
Sunshine
The average sunshine in April is 7.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 3 during April, leads to the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Countryside, IL
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in April: 40.8°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 (18.3°F).
Average pressure in April
Countryside, 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
Countryside, IL
- Average wind speed in April: 9.7mph
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
Countryside, IL
- Average humidity in April: 74%
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
Countryside, IL
- Average rainfall in April: 3.66"
The wettest month (with the highest rainfall) is May (4.61").
The driest months (with the least rainfall) are November and December (1.77").
Average rainfall days in April
Countryside, IL
- Average rainfall days in April: 17.6 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in April
Countryside, IL
- Average snowfall in April: 2.17"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Countryside, IL
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (13.3 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
Countryside, 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 42min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Countryside, IL
- Average sunshine days in April: 9.5 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in April
Countryside, IL
- Average UV index in April: 3
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Countryside, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Countryside, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
