February weather forecast
Lake Forest, IL

Weather in February

February, the last month of the winter in Lake Forest, is also a subzero cold month, with an average temperature fluctuating between 21.6°F (-5.8°C) and 31.3°F (-0.4°C).

Temperature

In Lake Forest, the average high-temperature in February is relatively the same as in January - a still freezing cold 31.3°F (-0.4°C). In Lake Forest, Illinois, in February, the average low-temperature is 21.6°F (-5.8°C).

Humidity

January and February, with an average relative humidity of 82%, are the most humid months in Lake Forest.

Rainfall

In Lake Forest, during February, the rain falls for 5.9 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Lake Forest, during the entire year, the rain falls for 154.1 days and collects up to 30.24" (768mm) of precipitation.

Snowfall

Months with snowfall in Lake Forest are January through April, October through December. In Lake Forest, during February, snow falls for 9.5 days and regularly aggregates up to 3.35" (85mm) of snow. Throughout the year, in Lake Forest, Illinois, there are 42.9 snowfall days, and 13.82" (351mm) of snow is accumulated.

Daylight

In Lake Forest, the average length of the day in February is 10h and 36min.
On the first day of February, sunrise is at 7:04 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 5:40 pm CST.

Sunshine

In February, the average sunshine in Lake Forest is 3.9h.

UV index

In Lake Forest, Illinois, the average daily maximum UV index in February is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In February, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What are the most humid months in Lake Forest?

The months with the highest humidity in Lake Forest are January and February, with an average relative humidity of 82%.

What is the average humidity in February in Lake Forest?

In Lake Forest, Illinois, the average relative humidity in February is 82%.

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

In February, in Lake Forest, Illinois, the rain falls for 5.9 days. Throughout February, 1.54" (39mm) of precipitation is accumulated.

How much does it snow in Lake Forest in February?

In Lake Forest, Illinois, in February, snow falls for 9.5 days, with typically accumulated 3.35" (85mm) of snow.

What is the average length of the day in February in Lake Forest?

In Lake Forest, Illinois, the average day length in February is 10h and 36min.

What time are sunrise and sunset in February in Lake Forest?

On the first day of February in Lake Forest, Illinois, sunrise is at 7:04 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 5:40 pm CST.

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

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

What is the UV index intensity in February in Lake Forest?

In February, the average daily maximum UV index in Lake Forest is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.

Average temperature in February
Lake Forest, IL

Average temperature in February - Lake Forest, IL
  • Average high temperature in February: 31.3°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in February: 21.6°F

The months with the highest average low temperature are July and August (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in February
Lake Forest, IL

Average pressure in February - Lake Forest, IL
  • Average pressure in February: 30.09"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in February
Lake Forest, IL

Average wind speed in February - Lake Forest, IL
  • Average wind speed in February: 11.6mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).

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Average humidity in February
Lake Forest, IL

Average humidity in February - Lake Forest, IL
  • Average humidity in February: 82%

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 February
Lake Forest, IL

Average rainfall in February - Lake Forest, IL
  • Average rainfall in February: 1.54"

The wettest months (with the highest rainfall) are May and June (3.82").
The driest month (with the least rainfall) is December (1.3").

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Average rainfall days in February
Lake Forest, IL

Average rainfall days in February - Lake Forest, IL
  • Average rainfall days in February: 5.9 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.9 days).

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Average snowfall in February
Lake Forest, IL

Average snowfall in February - Lake Forest, IL
  • Average snowfall in February: 3.35"

The month with the highest snowfall is January (4.13").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in February
Lake Forest, IL

Average snowfall days in February - Lake Forest, IL
  • Average snowfall days in February: 9.5 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in February / Average sunshine in February - Lake Forest, IL
  • Average daylight in February: 10h and 36min

The month with the longest days is June (Average daylight: 15h and 13min).
The month with the shortest days is December (Average daylight: 9h and 9min).

  • Average sunshine in February: 3.9h

The month with the most sunshine is August (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 3.8h).

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Average sunshine days in February
Lake Forest, IL

Average sunshine days in February - Lake Forest, IL
  • Average sunshine days in February: 12.3 days

The month with the most sunshine days is December (15.3 days).
The month with the least sunshine days is April (10.8 days).

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Average UV index in February
Lake Forest, IL

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

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

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Average cloud cover in February
Lake Forest, IL

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

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

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Average visibility in February
Lake Forest, IL

Average visibility in February - Lake 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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