Cook County Weather in February
Average highs run from 22°F on February 1 to 29°F on February 28, and lows from 5°F to 12°F. Normal precipitation for the month is 0.72 in over about 5 wet days.
February day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
February at a glance
- Average high
- 25°F
- Average low
- 8°F
- Precipitation
- 0.72 in
- Snowfall
- 8.7 in
- Record high
- 57°FFeb 18, 2017
- Record low
- -23°FFeb 12, 2022
- Chance of a freeze
- 100%
- Daylight
- 9 h 34 min to 11 h 00 min
- Cloud cover
- 65%
- Humidity
- 96%
- Dew point
- 9°F
- Wind
- 8.7 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Feb 1 | 22°F | 5°F | 40°F 2024 | -11°F 2013 | 20% | 19% |
| Feb 2 | 22°F | 5°F | 40°F 2012 | -12°F 2023 | 20% | 19% |
| Feb 3 | 22°F | 5°F | 45°F 2005 | -17°F 2022 | 20% | 19% |
| Feb 4 | 22°F | 5°F | 46°F 2012 | -20°F 2007 | 20% | 18% |
| Feb 5 | 22°F | 6°F | 41°F 2005 | -14°F 2007 | 19% | 18% |
| Feb 6 | 23°F | 6°F | 40°F 2002 | -17°F 2018 | 19% | 18% |
| Feb 7 | 23°F | 6°F | 42°F 2024 | -17°F 2021 | 19% | 18% |
| Feb 8 | 23°F | 6°F | 45°F 1999 | -17°F 2021 | 19% | 17% |
| Feb 9 | 23°F | 6°F | 40°F 2024 | -17°F 2021 | 19% | 17% |
| Feb 10 | 23°F | 6°F | 39°F 2009 | -17°F 2021 | 19% | 17% |
| Feb 11 | 24°F | 7°F | 40°F 2009 | -12°F 2016 | 19% | 17% |
| Feb 12 | 24°F | 7°F | 39°F 2012 | -23°F 2022 | 18% | 16% |
| Feb 13 | 24°F | 7°F | 48°F 2026 | -16°F 2020 | 18% | 16% |
| Feb 14 | 24°F | 7°F | 41°F 1999 | -17°F 2021 | 18% | 16% |
| Feb 15 | 25°F | 8°F | 40°F 2023 | -19°F 2021 | 18% | 16% |
| Feb 16 | 25°F | 8°F | 45°F 2011 | -11°F 2025 | 18% | 16% |
| Feb 17 | 25°F | 8°F | 42°F 2010 | -12°F 2006 | 18% | 15% |
| Feb 18 | 25°F | 8°F | 57°F 2017 | -15°F 2015 | 18% | 15% |
| Feb 19 | 26°F | 9°F | 44°F 2017 | -21°F 2015 | 18% | 15% |
| Feb 20 | 26°F | 9°F | 44°F 2003 | -9°F 2008 | 18% | 15% |
| Feb 21 | 26°F | 9°F | 42°F 2017 | -11°F 2001 | 18% | 15% |
| Feb 22 | 27°F | 10°F | 49°F 2024 | -21°F 2015 | 18% | 14% |
| Feb 23 | 27°F | 10°F | 48°F 2020 | -22°F 2015 | 18% | 14% |
| Feb 24 | 27°F | 10°F | 49°F 2025 | -13°F 2003 | 18% | 14% |
| Feb 25 | 27°F | 11°F | 45°F 2024 | -15°F 2003 | 18% | 14% |
| Feb 26 | 28°F | 11°F | 46°F 2000 | -15°F 2015 | 17% | 13% |
| Feb 27 | 28°F | 11°F | 48°F 2024 | -19°F 2014 | 17% | 13% |
| Feb 28 | 28°F | 12°F | 40°F 2004 | -10°F 2001 | 17% | 13% |
| Feb 29 | 29°F | 12°F | 50°F 2000 | -3°F 2024 | 17% | 13% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- February 1
- sunrise 7:29 AM, sunset 5:03 PM
- February 28
- sunrise 6:45 AM, sunset 5:45 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00213282 (Grand Marais), public domain. Records: NOAA GHCN-Daily, station USW00094992, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.