Chicago Weather in February

Although a little warmer and sunnier than the previous month, Chicago, Illinois can still get some cold snaps in February.

This page gives detailed information on the typical February temperature, precipitation, sun, humidity, wind and storms for Chicago. The numbers here are historical averages based on temperature, rain and snow measurements gathered at Chicago Midway Airport and other climate data from Chicago O'Hare International Airport.

Temperature Weather iconTemperature

37 °F February average high 3 °C
23 °F February average low -5 °C
10 days 40 °F max. or more (4 °C)
11 days 20 °F min. or less (-8 °C)

Chicago averages 4 days this month when the thermometer reaches into the 50s degrees Fahrenheit (over 10 degrees Celsius). Temperatures above 70 °F (21 °C) in February occur about once a decade. Typically 10 days remain below freezing for the entire day.

The thermometer ends up at freezing or below most nights in February. An average of one night this month gets as cold as 0 °F (-18 °C).

Rainy Weather iconPrecipitation

2.1 in total precipitation 54 mm
9 days of rain or snowfall

Half the time, Chicago receives 1.2 to 2.7 inches (30 to 68 mm) of precipitation in February. One in four years has drier weather, while another one in four is wetter.

Snowy Weather iconSnow

10.7 in total snowfall 27 cm
6 days with new snow

February's snowfall varies a lot from year to year in Chicago. Between 2.6 and 20 inches (7 to 51 cm) of fresh snow arrives in half the years. Less new snow lands in one out of four Februaries, while another twenty-five percent are snowier.

Chicago typically has at least an inch (2.5 cm) of snow on the ground for 12 days this month. The snow normally accumulates to 5 inches (13 cm) or deeper on 6 days.

Sunny Weather iconSun

49 % sunshine
6 days clear skies

The sun's rays reach the ground in Chicago during 49 percent of daylight hours on average in February, for a total of 146 hours in the month. Typically on 6 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in February at Chicago lasts for 10 hours and 37 minutes a day on average. The shortest day of the month is the 1st with 10 hours and 3 minutes of daylight. By the end of the month, the days have lengthened to 11:13 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humid Weather iconHumidity

72 % February average humidity

The relative humidity in Chicago during February usually peaks at 77 percent in the morning then drops to 63 percent by mid afternoon.

Local Time12 am3 am6 am9 am12 pm3 pm6 pm9 pm
Humidity % 76 77 77 73 65 63 69 74

Windy Weather iconWind

11.3 mph February wind speed average 18.2 kph

February is windier than most other months in Chicago.

Stormy Weather iconStorms

3 days snowfall of 1 inch (2.5 cm) or more
0 days with thunderstorms in February

Chicago can get over 5 inches (13 cm) of snow in one day during February, but snowstorms that severe only occur in some years.

Every few years a thunderstorm passes over Chicago in February.


The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.

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