February weather forecast
River Forest, IL

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Weather in February

The last month of the winter, February, is an icy month in River Forest, Illinois, with an average temperature varying between 21.9°F (-5.6°C) and 32.4°F (0.2°C).

Temperature

February welcomes an average high-temperature of an icy 32.4°F (0.2°C), not much different from the preceding month. River Forest, during the nights of February, experiences an average temperature drop to a freezing cold 21.9°F (-5.6°C).

Humidity

In February, the average relative humidity in River Forest is 81%.

Rainfall

In River Forest, Illinois, in February, during 5.1 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, in River Forest, there are 157.8 rainfall days, and 33.7" (856mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in River Forest. February is the month with the most snowfall in River Forest. Snow falls for 10.2 days and accumulates 4.69" (119mm) of snow.

Daylight

In February, the average length of the day is 10h and 37min.
On the first day of the month, sunrise is at 7:03 am and sunset at 5:05 pm. On the last day of February, sunrise is at 6:26 am and sunset at 5:40 pm CST.

Sunshine

In February, the average sunshine is 3.9h.

UV index

In February, the average daily maximum UV index in River Forest, Illinois, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 2 during February translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

How cold is February in River Forest?

In River Forest, in February, the average high-temperature is 32.4°F (0.2°C), and the average low-temperature is 21.9°F (-5.6°C).

What is the average humidity in February in River Forest?

In River Forest, the average relative humidity in February is 81%.

How many days does it rain in February in River Forest?

In River Forest, in February, during 5.1 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

What is the snowiest month in River Forest?

The month with the most snowfall is February, when snow falls for 10.2 days and typically aggregates up to 4.69" (119mm) of snow.

How much does it snow in River Forest in February?

In River Forest, during February, snow falls for 10.2 days and regularly aggregates up to 4.69" (119mm) of snow.

How many hours of daylight does River Forest have in February?

In River Forest, Illinois, the average day length in February is 10h and 37min.

When is the sunrise / sunset in February in River Forest?

In February, on the first day of the month, sunrise is at 7:03 am and sunset at 5:05 pm. On the last day of the month, in River Forest, Illinois, sunrise is at 6:26 am and sunset at 5:40 pm CST.

How many hours of sunshine does River Forest have in February?

In February, the average sunshine duration in River Forest, Illinois, is 3.9h.

What is the UV index reading in February in River Forest?

The average daily maximum UV index in February in River Forest is 2. A UV Index of 2, and less, symbolizes a low health risk 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 February
River Forest, IL

Average temperature in February - River Forest, IL
  • Average high temperature in February: 32.4°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in February: 21.9°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in February
River Forest, IL

Average pressure in February - River Forest, IL
  • Average pressure in February: 30.1"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 February
River Forest, IL

Average wind speed in February - River Forest, IL
  • Average wind speed in February: 10.7mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in February
River Forest, IL

Average humidity in February - River Forest, IL
  • Average humidity in February: 81%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in February
River Forest, IL

Average rainfall in February - River Forest, IL
  • Average rainfall in February: 1.73"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is December (1.57").

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Average rainfall days in February
River Forest, IL

Average rainfall days in February - River Forest, IL
  • Average rainfall days in February: 5.1 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall in February
River Forest, IL

Average snowfall in February - River Forest, IL
  • Average snowfall in February: 4.69"

The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in February
River Forest, IL

Average snowfall days in February - River Forest, IL
  • Average snowfall days in February: 10.2 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in February /
Average sunshine in February
River Forest, IL

Average daylight in February / Average sunshine in February - River Forest, IL
  • Average daylight in February: 10h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in February: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in February
River Forest, IL

Average sunshine days in February - River Forest, IL
  • Average sunshine days in February: 12.9 days

The month with the most sunshine days is December (16.7 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in February
River Forest, IL

Average UV index in February - River Forest, IL
  • Average UV index in February: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in February
River Forest, IL

Average cloud cover in February - River Forest, IL
  • Average cloud cover in February: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in February
River Forest, IL

Average visibility in February - River Forest, IL
  • Average visibility in February: 6mi

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

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River Forest, Illinois, USA

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