February weather forecast
Chicago, IL

The city of Chicago in Illinois on the shores of Lake Michigan, with a superb view of the sandy beach of Oak Street
The city of Chicago in Illinois on the shores of Lake Michigan, with a superb view of the sandy beach of Oak Street

Weather in February

The last month of the winter, February, is a cold month in Chicago, Illinois, with an average temperature fluctuating between 23°F (-5°C) and 32°F (0°C).

Temperature

In February, the average high-temperature is practically the same as in January - a wintry 32°F (0°C). In February, the average low-temperature is 23°F (-5°C).

Humidity

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

Rainfall

In Chicago, Illinois, during February, the rain falls for 5.5 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, in Chicago, there are 160.2 rainfall days, and 36.97" (939mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. February is the month with the most snowfall in Chicago. Snow falls for 9.9 days and accumulates 3.54" (90mm) of snow.

Ocean temperature

The month with the coldest seawater in Chicago is February, with an average ocean temperature of 36.9°F (2.7°C).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

In Chicago, the average length of the day in February is 10h and 37min.
On the first day of the month, sunrise is at 7:02 am and sunset at 5:05 pm. On the last day of February, in Chicago, sunrise is at 6:26 am and sunset at 5:39 pm CST.

Sunshine

In February, the average sunshine is 3.9h.

UV index

In February, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 2 in February transform into the following instructions:
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 is the average humidity in February in Chicago?

The average relative humidity in February in Chicago, Illinois, is 81%.

How many days does it rain in February in Chicago?

In Chicago, in February, it is raining for 5.5 days, with typically 1.81" (46mm) of accumulated precipitation.

What is the snowiest month in Chicago?

The month with the most snowfall is February, when snow falls for 9.9 days and typically aggregates up to 3.54" (90mm) of snow.

How many days does it snow in February in Chicago?

In Chicago, Illinois, in February, during 9.9 snowfall days, 3.54" (90mm) of snow is typically accumulated.

What is the month with the coldest ocean in Chicago?

The month with the coldest seawater is February, with an average ocean temperature of 36.9°F (2.7°C).

How cold is the water in February in Chicago?

In Chicago, in February, the average water temperature is 36.9°F (2.7°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the average length of the day in February in Chicago?

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

When is the sunrise / sunset in February in Chicago?

In February, on the first day of the month, sunrise is at 7:02 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 5:39 pm CST.

How many hours of sunshine does Chicago have in February?

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

What is the UV index intensity in February in Chicago?

The average daily maximum UV index in February is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in February
Chicago, IL

Average temperature in February - Chicago, IL
  • Average high temperature in February: 32°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in February: 23°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in February
Chicago, IL

Average pressure in February - Chicago, IL
  • Average pressure in February: 30.09"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in February
Chicago, IL

Average wind speed in February - Chicago, IL
  • Average wind speed in February: 11.9mph

The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

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Average humidity in February
Chicago, IL

Average humidity in February - Chicago, 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 (73%).

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Average rainfall in February
Chicago, IL

Average rainfall in February - Chicago, IL
  • Average rainfall in February: 1.81"

The wettest month (with the highest rainfall) is June (4.88").
The driest month (with the least rainfall) is December (1.65").

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Average rainfall days in February
Chicago, IL

Average rainfall days in February - Chicago, IL
  • Average rainfall days in February: 5.5 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (5.5 days).

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Average snowfall in February
Chicago, IL

Average snowfall in February - Chicago, IL
  • Average snowfall in February: 3.54"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in February
Chicago, IL

Average snowfall days in February - Chicago, IL
  • Average snowfall days in February: 9.9 days

The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in February
Chicago, IL

Average sea temperature in February - Chicago, IL
  • Average sea temperature in February: 36.9°F

The best month for swimming (with the highest average sea temperature) is August (73.9°F).
The coldest month (with the lowest average sea temperature) is February (36.9°F).

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Average daylight in February /
Average sunshine in February
Chicago, IL

Average daylight in February / Average sunshine in February - Chicago, IL
  • Average daylight in February: 10h and 37min

The month with the longest days is June (Average daylight: 15h and 11min).
The month with the shortest days is December (Average daylight: 9h and 11min).

  • Average sunshine in February: 3.9h

The months with the most sunshine are July and August (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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Average sunshine days in February
Chicago, IL

Average sunshine days in February - Chicago, IL
  • Average sunshine days in February: 11.6 days

The month with the most sunshine days is December (15.5 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in February
Chicago, IL

Average UV index in February - Chicago, IL
  • Average UV index in February: 2

The months with the highest UV index are 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
Chicago, IL

Average cloud cover in February - Chicago, IL
  • Average cloud cover in February: 59

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in February
Chicago, IL

Average visibility in February - Chicago, 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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