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
As Stone Park, Illinois, transitions into April, the average high-temperature shows a change, moving from a frosty 44.2°F (6.8°C) in March to a cool 55.2°F (12.9°C). During the month of April, an average low-temperature of 40.6°F (4.8°C) is recorded.Humidity
In Stone Park, the average relative humidity in April is 74%.Rainfall
In April, the rain falls for 15.8 days. Throughout April, 2.76" (70mm) of precipitation is accumulated. In Stone Park, during the entire year, the rain falls for 149.4 days and collects up to 25.08" (637mm) of precipitation.Snowfall
Months with snowfall in Stone Park are January through May, October through December. In Stone Park, during April, snow falls for 2.3 days and regularly aggregates up to 2.01" (51mm) of snow. Throughout the year, in Stone Park, there are 45.8 snowfall days, and 14.25" (362mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 23min.On the first day of April in Stone Park, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:49 pm CDT.
Sunshine
In Stone Park, Illinois, the average sunshine in April is 7.6h.UV index
The average daily maximum UV index in April in Stone Park is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 3 during April translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What are the temperatures in Stone Park in April?
What is the average humidity in April in Stone Park?
How much does it rain in Stone Park in April?
How much does it snow in Stone Park in April?
What is the average length of the day in April in Stone Park?
When are sunrise and sunset in April in Stone Park?
How long on average sun shines in April in Stone Park?
How high is the UV index in April in Stone Park?
Average temperature in April
Stone Park, IL
- Average high temperature in April: 55.2°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 (28.8°F).
- Average low temperature in April: 40.6°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°F).
Average pressure in April
Stone 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
Stone Park, 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
Stone Park, 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
Stone Park, IL
- Average rainfall in April: 2.76"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in April
Stone Park, IL
- Average rainfall days in April: 15.8 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in April
Stone Park, IL
- Average snowfall in April: 2.01"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Stone Park, IL
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Stone Park, IL
- Average daylight in April: 13h and 2min
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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Stone Park, IL
- Average sunshine days in April: 11 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in April
Stone 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 and December (UV index 1).
Average cloud cover in April
Stone Park, 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 30).
Average visibility in April
Stone 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).
Stone Park, Illinois, USA
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