April weather forecast
Park Forest, IL

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Weather in April

April in Park Forest, Illinois, is a moderate spring month, with an average temperature varying between 56.7°F (13.7°C) and 41.7°F (5.4°C).

Temperature

April brings a temperature increase, with average high-temperatures moving from March's frosty 45.5°F (7.5°C) to a moderate 56.7°F (13.7°C). During April in Park Forest, Illinois, the average low-temperature is recorded at a wintry 41.7°F (5.4°C).

Humidity

In Park Forest, the average relative humidity in April is 75%.

Rainfall

In Park Forest, during April, the rain falls for 16.8 days and regularly aggregates up to 3.43" (87mm) of precipitation. Throughout the year, in Park Forest, there are 155.6 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.9 snowfall days, in April, Park Forest aggregates 1.97" (50mm) of snow. Throughout the year, there are 44.6 snowfall days, and 16.46" (418mm) of snow is accumulated.

Daylight

In Park Forest, Illinois, the average length of the day in April is 13h and 22min.
On the first day of April in Park Forest, sunrise is at 6:32 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:47 pm CDT.

Sunshine

The average sunshine in April is 7.6h.

UV index

In Park Forest, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 3 during April translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

What is the average April temperature in Park Forest?

The high-temperature in Park Forest, Illinois, during April is 56.7°F (13.7°C) and the low-temperature is 41.7°F (5.4°C).

What is the average humidity in April in Park Forest?

In April, the average relative humidity in Park Forest, Illinois, is 75%.

How much does it rain in Park Forest in April?

In Park Forest, in April, during 16.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated.

What is the last month it snows in Park Forest?

April is the last month it regularly snows in Park Forest. During 1.9 snowfall days, in April, Park Forest aggregates 1.97" (50mm) of snow.

What is the average length of the day in April in Park Forest?

The average day length in April in Park Forest is 13h and 22min.

When are sunrise and sunset in April in Park Forest?

In April, on the first day of the month, sunrise is at 6:32 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:47 pm CDT.

How long on average sun shines in April in Park Forest?

In April, the average sunshine duration in Park Forest is 7.6h.

What is the UV index reading in April in Park Forest?

In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Park Forest, IL

Average temperature in April - Park Forest, IL
  • Average high temperature in April: 56.7°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in April: 41.7°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in April
Park Forest, IL

Average pressure in April - Park Forest, 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).

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Average wind speed in April
Park Forest, IL

Average wind speed in April - Park Forest, IL
  • Average wind speed in April: 9.8mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in April
Park Forest, IL

Average humidity in April - Park Forest, 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 (73%).

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Average rainfall in April
Park Forest, IL

Average rainfall in April - Park Forest, IL
  • Average rainfall in April: 3.43"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").

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Average rainfall days in April
Park Forest, IL

Average rainfall days in April - Park Forest, IL
  • Average rainfall days in April: 16.8 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).

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Average snowfall in April
Park Forest, IL

Average snowfall in April - Park Forest, IL
  • Average snowfall in April: 1.97"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Park Forest, IL

Average snowfall days in April - Park Forest, IL
  • Average snowfall days in April: 1.9 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Park Forest, IL

Average daylight in April / Average sunshine in April - Park Forest, 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 12min).

  • Average sunshine in April: 7h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in April
Park Forest, IL

Average sunshine days in April - Park Forest, IL
  • Average sunshine days in April: 10.2 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).

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Average UV index in April
Park Forest, IL

Average UV index in April - Park Forest, 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 December (UV index 1).

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Average cloud cover in April
Park Forest, IL

Average cloud cover in April - Park Forest, IL
  • Average cloud cover in April: 49

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in April
Park Forest, IL

Average visibility in April - Park Forest, IL
  • Average visibility in April: 6mi

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

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Park Forest, Illinois, USA

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