Weather on December 27

Joliet, IL

55 Years of Data

Avg High
34°F
Avg Low
19°F
Warmest
2019
47°F avg
Coldest
1990
3°F avg

About This Date

December 27th in Joliet, IL typically brings cold winter weather, with average highs around 34°F and lows near 19°F. Over 54 years of records, the warmest December 27th was in 2019 (47°F average), while the coldest was 1990 (3°F) — a 44°F range across recorded history. Precipitation has occurred on 35% of recorded December 27th dates, with snow falling 6% of the time (heaviest snowfall: 3"). The last decade has been 11.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 11.7°F warmer on this date compared to 20-30 years ago.

Planning for December 27th in Joliet, IL? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.

Warming Trend
2.4°F per decade on this date
YearHighLowAvgPrecipSnow
202545°41°43°0.03"
202447°41°44°
202339°28°34°
202220°12°
202143°27°35°1.14"
202036°17°26°
2019warmest61°34°47°
201846°27°36°
2017-6°
201653°25°39°
201543°33°38°1.47"
201449°33°41°
201336°12°24°
201233°27°30°
201144°24°34°0.86"
201032°20°
200927°19°23°0.18"3"
200854°31°42°1.63"
200745°27°36°0.3"
200634°29°31°
200537°32°35°0.03"
200426°16°21°
200344°22°33°
200228°16°22°
200121°15°0.1"
200020°13°0.03"
199943°21°32°0.08"
199832°17°25°
199733°19°26°
199622°12°
199529°15°22°0.03"
199446°22°34°
199315°11°0.03"0.1"
199221°21°21°
199144°30°37°
1990coldest11°-4°
198919°10°
198840°38°39°2.92"
198732°27°29°
198631°28°29°
198520°10°15°0.03"
198437°21°29°0.33"
198317°-5°0.3"
198242°34°38°
198136°15°25°
198023°14°19°
197939°28°34°
197819°12°
197714°-5°
197631°19°0.15"
197533°21°27°
197337°27°32°0.2"
197240°15°27°
197156°35°45°0.3"
54 years of data from JOLIET

Browse Weather History

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

December 27th Weather in Joliet, IL - 55 Years of History