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 transition to April introduces an increase in the average high-temperature, shifting from a frosty 47.7°F (8.7°C) in March to a refreshing 59.4°F (15.2°C). Henry in April anticipates an average nighttime temperature of 43°F (6.1°C).Humidity
The average relative humidity in April in Henry is 74%.Rainfall
In Henry, in April, it is raining for 17 days, with typically 3.7" (94mm) of accumulated precipitation. Throughout the year, in Henry, there are 151.3 rainfall days, and 30.16" (766mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.3 snowfall days, in April, Henry aggregates 1.69" (43mm) of snow. Throughout the year, there are 36.7 snowfall days, and 14.09" (358mm) of snow is accumulated.Daylight
The average length of the day in April in Henry is 13h and 20min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:22 pm. On the last day of April, sunrise is at 5:55 am and sunset at 7:53 pm CDT.
Sunshine
The average sunshine in April in Henry is 7.9h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 3 in April transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the usual temperature for Henry in April?
What is the average humidity in April in Henry?
How many days does it rain in April in Henry?
What is the last month it snows in Henry?
What is the average length of the day in April in Henry?
When is the sunrise / sunset in April in Henry?
How many hours of sunshine does Henry have in April?
What is the UV index reading in April in Henry?
Average temperature in April
Henry, IL
- Average high temperature in April: 59.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in April: 43°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in April
Henry, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Henry, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Henry, 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 (72%).
Average rainfall in April
Henry, IL
- Average rainfall in April: 3.7"
The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are January and December (1.57").
Average rainfall days in April
Henry, IL
- Average rainfall days in April: 17 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in April
Henry, IL
- Average snowfall in April: 1.69"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Henry, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Henry, 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 18min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Henry, IL
- Average sunshine days in April: 10.8 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in April
Henry, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Henry, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in April
Henry, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Henry, Illinois, USA
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