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
The beginning of April marks a shift in the average high-temperature, moving from March's chilly 43.5°F to a cool 54.3°F. Prospect Heights temperatures generally rest at a low of 40.1°F during the April nights.Humidity
The average relative humidity in April is 75%.Rainfall
In Prospect Heights, during April, the rain falls for 16 days and regularly aggregates up to 3.54" of precipitation. In Prospect Heights, Illinois, during the entire year, the rain falls for 153.3 days and collects up to 30.12" of precipitation.Snowfall
Months with snowfall in Prospect Heights are January through May, October through December. In Prospect Heights, in April, snow falls for 1.9 days, with typically accumulated 2.52" of snow. Throughout the year, there are 43.6 snowfall days, and 17.95" of snow is accumulated.Daylight
The average length of the day in April is 13h and 23min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:17 pm. On the last day of April, in Prospect Heights, sunrise is at 5:48 am and sunset at 7:49 pm CDT.
Sunshine
In Prospect Heights, Illinois, the average sunshine in April is 7.5h.UV index
The average daily maximum UV index in April in Prospect Heights is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, a regular UV index of 3 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
FAQ
What are April temperatures in Prospect Heights?
What is the average humidity in April in Prospect Heights?
How much does it rain in Prospect Heights in April?
How much does it snow in Prospect Heights in April?
How many hours of daylight does Prospect Heights have in April?
When are sunrise and sunset in April in Prospect Heights?
How many hours of sunshine does Prospect Heights have in April?
What is the UV index intensity in April in Prospect Heights?
Average temperature in April
Prospect Heights, IL
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in April: 40.1°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in April
Prospect Heights, 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
Prospect Heights, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Prospect Heights, 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
Prospect Heights, IL
- Average rainfall in April: 3.54"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days in April
Prospect Heights, IL
- Average rainfall days in April: 16 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in April
Prospect Heights, IL
- Average snowfall in April: 2.52"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Prospect Heights, IL
- Average snowfall days in April: 1.9 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Prospect Heights, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Prospect Heights, IL
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in April
Prospect Heights, 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
Prospect Heights, IL
- Average cloud cover in April: 50
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
Prospect Heights, 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).
Prospect Heights, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
