April weather forecast
Forrest, IL

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Weather in April

April is a moderate spring month in Forrest, Illinois, with an average temperature ranging between min 43.9°F (6.6°C) and max 59.7°F (15.4°C).

Temperature

In Forrest, the average high-temperature in April increases from a frosty 47.7°F (8.7°C) in March to a refreshing 59.7°F (15.4°C). Forrest cools down to an average low-temperature of 43.9°F (6.6°C) throughout the month of April.

Humidity

The average relative humidity in April is 74%.

Rainfall

In April, the rain falls for 13.3 days. Throughout April, 1.97" (50mm) of precipitation is accumulated. In Forrest, during the entire year, the rain falls for 130.5 days and collects up to 17.44" (443mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Forrest. April is the last month it regularly snows. During 0.8 snowfall days, in April, Forrest aggregates 0.67" (17mm) of snow. Throughout the year, in Forrest, there are 30.5 snowfall days, and 7.68" (195mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 20min.
On the first day of April in Forrest, Illinois, sunrise is at 6:35 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:49 pm CDT.

Sunshine

In April, the average sunshine in Forrest is 7.8h.

UV index

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes 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:
Put precautions into practice - Protective measures against sun-induced damage are advised. When the Sun is at its strongest around midday, find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What are the temperatures in Forrest in April?

During April, Forrest experiences an average high-temperature of 59.7°F (15.4°C) and a low-temperature of 43.9°F (6.6°C).

What is the average humidity in April in Forrest?

In April, the average relative humidity is 74%.

How much does it rain in Forrest in April?

In Forrest, during April, the rain falls for 13.3 days and regularly aggregates up to 1.97" (50mm) of precipitation.

What is the last month it snows in Forrest?

April is the last month it regularly snows in Forrest. During 0.8 snowfall days, in April, Forrest aggregates 0.67" (17mm) of snow.

How many hours of daylight does Forrest have in April?

The average day length in April is 13h and 20min.

When is the sunrise / sunset in April in Forrest?

In April, on the first day of the month, sunrise is at 6:35 am and sunset at 7:18 pm. On the last day of the month, in Forrest, sunrise is at 5:52 am and sunset at 7:49 pm CDT.

How long on average sun shines in April in Forrest?

The average sunshine duration in April in Forrest is 7.8h.

What is the UV index intensity in April in Forrest?

The average daily maximum UV index in April in Forrest, Illinois, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from 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
Forrest, IL

Average temperature in April - Forrest, IL
  • Average high temperature in April: 59.7°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in April: 43.9°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 (18.5°F).

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Average pressure in April
Forrest, IL

Average pressure in April - Forrest, 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 (29.92"Hg).

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Average wind speed in April
Forrest, IL

Average wind speed in April - Forrest, IL
  • Average wind speed in April: 10.6mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in April
Forrest, IL

Average humidity in April - Forrest, IL
  • Average humidity in April: 74%

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in April
Forrest, IL

Average rainfall in April - Forrest, IL
  • Average rainfall in April: 1.97"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in April
Forrest, IL

Average rainfall days in April - Forrest, IL
  • Average rainfall days in April: 13.3 days

The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (5 days).

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Average snowfall in April
Forrest, IL

Average snowfall in April - Forrest, IL
  • Average snowfall in April: 0.67"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Forrest, IL

Average snowfall days in April - Forrest, IL
  • Average snowfall days in April: 0.8 days

The month with the highest number of snowfall days is January (10.6 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
Forrest, IL

Average daylight in April / Average sunshine in April - Forrest, 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 18min).

  • Average sunshine in April: 7h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in April
Forrest, IL

Average sunshine days in April - Forrest, IL
  • Average sunshine days in April: 14.5 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in April
Forrest, IL

Average UV index in April - Forrest, 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
Forrest, IL

Average cloud cover in April - Forrest, IL
  • Average cloud cover in April: 47

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).

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Average visibility in April
Forrest, IL

Average visibility in April - Forrest, 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).

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Forrest, Illinois, USA

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