April weather forecastSunnyside, IL
April
Weather in April
April in Sunnyside, Illinois, is a cool spring month, with an average temperature varying between 38.3°F (3.5°C) and 54.3°F (12.4°C).Temperature
The start of April is characterized by an increase in the average high-temperature, transitioning from a frosty 42.8°F (6°C) in March to a fresh 54.3°F (12.4°C). An average low-temperature of 38.3°F (3.5°C) is observed during the April nights.Humidity
In April, the average relative humidity is 77%.Rainfall
In Sunnyside, in April, during 16.8 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. Throughout the year, there are 152.4 rainfall days, and 28.07" (713mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Sunnyside, during April, snow falls for 2.2 days and regularly aggregates up to 1.54" (39mm) of snow. In Sunnyside, during the entire year, snow falls for 49 days and aggregates up to 16.5" (419mm) of snow.Daylight
The average length of the day in April is 13h and 24min.On the first day of April, sunrise is at 6:33 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:51 pm CDT.
Sunshine
In April, the average sunshine is 7.5h.UV index
In April, the average daily maximum UV index in Sunnyside is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 3 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sunnyside, IL
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in April: 38.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in April
Sunnyside, 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
Sunnyside, IL
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Sunnyside, IL
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in April
Sunnyside, IL
- Average rainfall in April: 3.46"
The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.34").
Average rainfall days in April
Sunnyside, IL
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in April
Sunnyside, IL
- Average snowfall in April: 1.54"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Sunnyside, IL
- Average snowfall days in April: 2.2 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sunnyside, 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 6min).
- Average sunshine in April: 7h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Sunnyside, IL
- Average sunshine days in April: 10.5 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in April
Sunnyside, IL
- Average UV index in April: 3
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Sunnyside, IL
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in April
Sunnyside, 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).
