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
Noticing a change, the average high-temperature during April moves from March's frosty 45.9°F (7.7°C) to a moderate 57.4°F (14.1°C). Yorkville records an average low of 41.2°F (5.1°C) throughout the nights in April.Humidity
The average relative humidity in April in Yorkville is 75%.Rainfall
In Yorkville, in April, it is raining for 17.9 days, with typically 4.02" (102mm) of accumulated precipitation. In Yorkville, during the entire year, the rain falls for 168.3 days and collects up to 35.47" (901mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.8 snowfall days, in April, Yorkville aggregates 1.57" (40mm) of snow. In Yorkville, during the entire year, snow falls for 47.1 days and aggregates up to 16.61" (422mm) of snow.Daylight
The average length of the day in April in Yorkville is 13h and 22min.On the first day of April in Yorkville, sunrise is at 6:35 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:51 pm CDT.
Sunshine
In Yorkville, the average sunshine in April is 7.6h.UV index
In Yorkville, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In April, a regular UV index of 3 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Yorkville in April?
What is the average humidity in April in Yorkville?
How many days does it rain in April in Yorkville?
What is the last month it snows in Yorkville?
What is the average length of the day in April in Yorkville?
What time are sunrise and sunset in April in Yorkville?
How long on average sun shines in April in Yorkville?
What is the UV index intensity in April in Yorkville?
Average temperature in April
Yorkville, IL
- Average high temperature in April: 57.4°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in April: 41.2°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in April
Yorkville, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Yorkville, IL
- Average wind speed in April: 9.8mph
The windiest months (with the highest average wind speed) are January and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Yorkville, IL
- Average humidity in April: 75%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Yorkville, IL
- Average rainfall in April: 4.02"
The wettest month (with the highest rainfall) is May (4.88").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in April
Yorkville, IL
- Average rainfall days in April: 17.9 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in April
Yorkville, IL
- Average snowfall in April: 1.57"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Yorkville, IL
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Yorkville, 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 months with the most sunshine are June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Yorkville, IL
- Average sunshine days in April: 9.4 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in April
Yorkville, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Yorkville, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in April
Yorkville, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Yorkville, Illinois, USA
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