Weather on January 9
Chicago, IL
55 Years of Data
Avg High
33°F
Avg Low
20°F
Warmest
2026
48°F avg
Coldest
1999
6°F avg
About This Date
January 9th in Chicago, IL typically brings cold winter weather, with average highs around 33°F and lows near 20°F. Over 53 years of records, the warmest January 9th was in 2026 (48°F average), while the coldest was 1999 (6°F) — a 42°F range across recorded history. Precipitation has occurred on 15% of recorded January 9th dates, with snow falling 6% of the time. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for January 9th in Chicago, IL? Bundle up with warm layers and protect extremities from the cold.
Warming Trend
2.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 60° | 36° | 48° | — | — |
| 2025 | 28° | 17° | 23° | — | — |
| 2024 | 37° | 33° | 35° | — | — |
| 2023 | 44° | 26° | 35° | — | — |
| 2022 | 34° | 11° | 22° | — | — |
| 2021 | 36° | 29° | 32° | — | — |
| 2020 | 51° | 26° | 39° | — | — |
| 2019 | 27° | 18° | 22° | — | — |
| 2018 | 35° | 28° | 32° | — | — |
| 2017 | 33° | 19° | 26° | — | — |
| 2016 | 44° | 27° | 35° | — | — |
| 2015 | 16° | 3° | 9° | — | — |
| 2014 | 29° | 8° | 18° | — | — |
| 2013 | 50° | 36° | 43° | — | — |
| 2012 | 48° | 34° | 41° | — | — |
| 2011 | 36° | 17° | 26° | — | — |
| 2010 | 26° | 15° | 21° | — | — |
| 2009 | 31° | 19° | 25° | — | — |
| 2008 | 43° | 33° | 38° | — | — |
| 2007 | 36° | 25° | 30° | — | — |
| 2006 | 39° | 34° | 36° | — | — |
| 2005 | 35° | 26° | 31° | 0.23" | — |
| 2004 | 28° | 19° | 24° | — | — |
| 2003 | 42° | 29° | 35° | — | — |
| 2002 | 56° | 38° | 47° | — | — |
| 2001 | 25° | 12° | 18° | — | — |
| 2000 | 42° | 37° | 40° | 0.38" | — |
| 1999coldest | 14° | -3° | 6° | — | — |
| 1998 | 34° | 20° | 27° | — | — |
| 1994 | 24° | -5° | 10° | — | — |
| 1993 | 29° | 26° | 27° | — | — |
| 1992 | 44° | 37° | 41° | 0.18" | — |
| 1991 | 33° | 28° | 31° | — | — |
| 1990 | 48° | 38° | 43° | 0.13" | — |
| 1989 | 21° | 7° | 14° | — | — |
| 1988 | 22° | 4° | 13° | — | — |
| 1987 | 32° | 25° | 28° | — | — |
| 1986 | 37° | 16° | 26° | — | — |
| 1985 | 28° | 21° | 25° | 0.23" | 0.5" |
| 1984 | 28° | 33° | 31° | 0.46" | 1" |
| 1983 | 37° | 30° | 34° | — | — |
| 1982 | 23° | -7° | 8° | 0.41" | 1" |
| 1981 | 21° | 9° | 15° | — | — |
| 1980 | 19° | 10° | 15° | — | — |
| 1979 | 17° | -1° | 8° | — | — |
| 1978 | 16° | -3° | 7° | — | — |
| 1977 | 17° | 5° | 11° | 0.08" | — |
| 1976 | 13° | 3° | 8° | — | — |
| 1975 | 40° | 34° | 37° | — | — |
| 1974 | 26° | 19° | 23° | — | — |
| 1973 | 16° | 6° | 11° | — | — |
| 1972 | 47° | 39° | 43° | — | — |
| 1971 | 33° | 16° | 24° | — | — |
53 years of data from CHICAGO GRANT PARK