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
April's arrival coincides with a temperature rise, moving from March's cold 42.4°F (5.8°C) to a fresh 53.1°F (11.7°C). Throughout April, an average low-temperature of 40.5°F (4.7°C) is experienced.Humidity
The average relative humidity in April is 75%.Rainfall
In April, the rain falls for 10.5 days. Throughout April, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 98.2 rainfall days, and 7.36" (187mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Harwood Heights, in April, during 1 snowfall days, 0.59" (15mm) of snow is typically accumulated. In Harwood Heights, during the entire year, snow falls for 28.5 days and aggregates up to 3.07" (78mm) of snow.Daylight
In April, the average length of the day is 13h and 23min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of April, sunrise is at 5:47 am and sunset at 7:49 pm CDT.
Sunshine
In April, the average sunshine is 7.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 during April translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Harwood Heights in April?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
How many hours of daylight does Harwood Heights have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Harwood Heights, IL
- Average high temperature in April: 53.1°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 (28.8°F).
- Average low temperature in April: 40.5°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in April
Harwood 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
Harwood Heights, IL
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in April
Harwood Heights, IL
- Average humidity in April: 75%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Harwood Heights, IL
- Average rainfall in April: 0.71"
The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is December (0.31").
Average rainfall days in April
Harwood Heights, IL
- Average rainfall days in April: 10.5 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in April
Harwood Heights, IL
- Average snowfall in April: 0.59"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Harwood Heights, IL
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Harwood 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 months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Harwood Heights, IL
- Average sunshine days in April: 16.8 days
The month with the most sunshine days is December (23.3 days).
The month with the least sunshine days is June (14.7 days).
Average UV index in April
Harwood Heights, 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
Harwood Heights, 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 July and August (Cloud cover 28).
Average visibility in April
Harwood 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).
Harwood Heights, Illinois, USA
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