Weather on December 17

Chicago, IL

55 Years of Data

Avg High
34°F
Avg Low
24°F
Warmest
1977
51°F avg
Coldest
1989
9°F avg

About This Date

December 17th in Chicago, IL typically brings cold winter weather, with average highs around 34°F and lows near 24°F. Over 55 years of records, the warmest December 17th was in 1977 (51°F average), while the coldest was 1989 (9°F) — a 42°F range across recorded history. Precipitation has occurred on 15% of recorded December 17th dates, with snow falling 5% of the time (heaviest snowfall: 2"). The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.

Planning for December 17th in Chicago, IL? Bundle up with warm layers and protect extremities from the cold.

Warming Trend
1.4°F per decade on this date
YearHighLowAvgPrecipSnow
202542°32°37°
202438°34°36°
202344°36°40°
202227°21°24°
202140°29°34°
202034°31°32°
201932°23°28°
201839°31°35°
201745°34°39°
201626°20°23°
201536°31°33°
201431°25°28°
201334°17°25°
201240°35°37°
201135°30°33°
201027°17°22°
200937°26°32°
200823°16°19°
200725°18°21°
200656°42°49°
200524°15°20°
200434°22°28°
200326°19°23°
200237°28°33°0.13"
200147°35°41°0.25"
200018°10°
199932°21°27°0.2"
199839°29°34°
199748°27°37°
199634°19°26°
199536°27°31°
199446°33°40°
199339°34°36°0.13"
199237°31°34°
199137°31°34°
199038°35°36°0.25"
1989coldest17°
198820°12°16°0.13"0.4"
198733°19°26°
198642°38°40°
198524°15°0.1"0.5"
198462°32°47°
198322°14°
198234°29°31°
198126°20°23°0.3"2"
198033°26°30°
197919°11°
197839°22°30°
1977warmest56°46°51°
197640°32°36°
197521°14°
197431°22°26°
197325°20°22°
197225°15°
197134°13°23°
55 years of data from CHICAGO GRANT PARK

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.