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.
|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).
|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.
|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.
|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.
|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 Time||12 am||3 am||6 am||9 am||12 pm||3 pm||6 pm||9 pm|
|11.3 mph||February wind speed average||18.2 kph|
February is windier than most other months in Chicago.
|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.