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
With the onset of April, White Heath experiences a temperature shift, with the average high-temperature moving from a frosty 49.6°F (9.8°C) in March to a comfortable 61.5°F (16.4°C). White Heath sees an average low-temperature of 45.9°F (7.7°C) during April.Humidity
In April, the average relative humidity in White Heath is 74%.Rainfall
In White Heath, Illinois, in April, during 12.6 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, in White Heath, there are 127.9 rainfall days, and 16.61" (422mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.6 snowfall days, in April, White Heath aggregates 0.08" (2mm) of snow. Throughout the year, in White Heath, there are 23.2 snowfall days, and 5.83" (148mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 18min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:54 am and sunset at 7:48 pm CDT.
Sunshine
In April, the average sunshine is 8h.UV index
In White Heath, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 4 suggests this advice:
Be vigilant - Suggestions to stave off sun damage are provided. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in White Heath?
What is the average humidity in April in White Heath?
How much does it rain in White Heath in April?
What is the last month it snows in White Heath?
What is the average length of the day in April in White Heath?
What time are sunrise and sunset in April in White Heath?
How long on average sun shines in April in White Heath?
What is the UV index intensity in April in White Heath?
Average temperature in April
White Heath, IL
- Average high temperature in April: 61.5°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 (32.4°F).
- Average low temperature in April: 45.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in April
White Heath, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
White Heath, IL
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in April
White Heath, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
White Heath, IL
- Average rainfall in April: 1.97"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is December (0.91").
Average rainfall days in April
White Heath, IL
- Average rainfall days in April: 12.6 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in April
White Heath, IL
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
White Heath, IL
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
White Heath, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
White Heath, IL
- Average sunshine days in April: 15.2 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in April
White Heath, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
White Heath, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June, August and September (Cloud cover 32).
Average visibility in April
White Heath, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
White Heath, Illinois, USA
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