April weather forecast
North Henderson, IL

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Weather in April

April in North Henderson, Illinois, is a moderate spring month, with temperature in the range of an average high of 59.9°F (15.5°C) and an average low of 43.2°F (6.2°C).

Temperature

The arrival of April brings a temperature shift, with the average high-temperature escalating from a frosty 48°F (8.9°C) in March to a moderate 59.9°F (15.5°C). During April, the temperature in North Henderson is averaged to a low of 43.2°F (6.2°C) at night.

Humidity

The average relative humidity in April is 75%.

Rainfall

In April, the rain falls for 11.8 days. Throughout April, 1.3" (33mm) of precipitation is accumulated. Throughout the year, in North Henderson, there are 109.9 rainfall days, and 11.14" (283mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows in North Henderson. During 0.9 snowfall days, in April, North Henderson aggregates 0.75" (19mm) of snow. In North Henderson, during the entire year, snow falls for 28 days and aggregates up to 4.53" (115mm) of snow.

Daylight

The average length of the day in April in North Henderson is 13h and 20min.
On the first day of April in North Henderson, sunrise is at 6:43 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:58 pm CDT.

Sunshine

In April, the average sunshine in North Henderson is 7.9h.

UV index

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 4 in April translates into the following instructions:
Guard yourself - Avoiding sunburn is suggested. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What is the temperature in April in North Henderson?

The high-temperature, in April, in North Henderson, records 59.9°F (15.5°C), while the low-temperature is 43.2°F (6.2°C).

What is the average humidity in April in North Henderson?

In North Henderson, Illinois, the average relative humidity in April is 75%.

How many days does it rain in April in North Henderson?

In April, in North Henderson, Illinois, the rain falls for 11.8 days. Throughout April, 1.3" (33mm) of precipitation is accumulated.

What is the last month it snows in North Henderson?

April is the last month it regularly snows in North Henderson. During 0.9 snowfall days, in April, North Henderson aggregates 0.75" (19mm) of snow.

What is the average length of the day in April in North Henderson?

In April, the average day length in North Henderson, Illinois, is 13h and 20min.

When is the sunrise / sunset in April in North Henderson?

In April, on the first day of the month, sunrise is at 6:43 am and sunset at 7:27 pm. On the last day of the month, in North Henderson, sunrise is at 5:59 am and sunset at 7:58 pm CDT.

How many hours of sunshine does North Henderson have in April?

In April, the average sunshine duration in North Henderson is 7.9h.

What is the UV index reading in April in North Henderson?

The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
North Henderson, IL

Average temperature in April - North Henderson, IL
  • Average high temperature in April: 59.9°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 (29.5°F).

  • Average low temperature in April: 43.2°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 (17.4°F).

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Average pressure in April
North Henderson, IL

Average pressure in April - North Henderson, IL
  • Average pressure in April: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in April
North Henderson, IL

Average wind speed in April - North Henderson, IL
  • Average wind speed in April: 10.8mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in April
North Henderson, IL

Average humidity in April - North Henderson, IL
  • Average humidity in April: 75%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in April
North Henderson, IL

Average rainfall in April - North Henderson, IL
  • Average rainfall in April: 1.3"

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are January and December (0.47").

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Average rainfall days in April
North Henderson, IL

Average rainfall days in April - North Henderson, IL
  • Average rainfall days in April: 11.8 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is February (3.9 days).

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Average snowfall in April
North Henderson, IL

Average snowfall in April - North Henderson, IL
  • Average snowfall in April: 0.75"

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
North Henderson, IL

Average snowfall days in April - North Henderson, IL
  • Average snowfall days in April: 0.9 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
North Henderson, IL

Average daylight in April / Average sunshine in April - North Henderson, 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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in April
North Henderson, IL

Average sunshine days in April - North Henderson, IL
  • Average sunshine days in April: 16.3 days

The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (12.4 days).

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Average UV index in April
North Henderson, IL

Average UV index in April - North Henderson, IL
  • Average UV index in April: 4

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in April
North Henderson, IL

Average cloud cover in April - North Henderson, IL
  • Average cloud cover in April: 47

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).

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Average visibility in April
North Henderson, IL

Average visibility in April - North Henderson, IL
  • Average visibility in April: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

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North Henderson, Illinois, USA

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