Weather on February 20
Joliet, IL
55 Years of Data
Avg High
39°F
Avg Low
23°F
Warmest
1994
54°F avg
Coldest
2015
-2°F avg
About This Date
February 20th in Joliet, IL typically brings cold winter weather, with average highs around 39°F and lows near 23°F. Over 55 years of records, the warmest February 20th was in 1994 (54°F average), while the coldest was 2015 (-2°F) — a 56°F range across recorded history. Precipitation has occurred on 29% of recorded February 20th dates, with snow falling 4% of the time. The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
Planning for February 20th in Joliet, IL? Bundle up with warm layers and protect extremities from the cold.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 54° | 31° | 42° | — | — |
| 2025 | 24° | 4° | 14° | — | — |
| 2024 | 50° | 22° | 36° | — | — |
| 2023 | 53° | 31° | 42° | — | — |
| 2022 | 29° | 9° | 19° | — | — |
| 2021 | 20° | 2° | 11° | — | — |
| 2020 | 29° | 12° | 20° | — | — |
| 2019 | 34° | 14° | 24° | 0.3" | — |
| 2018 | 61° | 37° | 49° | 5.08" | — |
| 2017 | 66° | 35° | 51° | — | — |
| 2016 | 63° | 41° | 52° | — | — |
| 2015coldest | 4° | -7° | -2° | — | — |
| 2014 | 43° | 30° | 36° | 1.22" | — |
| 2013 | 16° | 7° | 11° | — | — |
| 2012 | 38° | 22° | 30° | — | — |
| 2011 | 41° | 27° | 34° | 0.03" | — |
| 2010 | 40° | 17° | 28° | 0.08" | — |
| 2009 | 24° | 11° | 17° | — | — |
| 2008 | 17° | 4° | 10° | 0.18" | 1" |
| 2007 | 42° | 20° | 31° | — | — |
| 2006 | 20° | 1° | 10° | — | — |
| 2005 | 42° | 26° | 34° | — | — |
| 2004 | 45° | 32° | 38° | — | — |
| 2003 | 39° | 25° | 32° | — | — |
| 2002 | 57° | 43° | 50° | 0.94" | — |
| 2001 | 47° | 28° | 37° | — | — |
| 2000 | 32° | 25° | 28° | 0.03" | — |
| 1999 | 35° | 23° | 29° | — | — |
| 1998 | 43° | 37° | 40° | 0.05" | — |
| 1997 | 43° | 28° | 35° | — | — |
| 1996 | 48° | 25° | 36° | — | — |
| 1995 | 47° | 28° | 37° | 0.03" | — |
| 1994warmest | 60° | 49° | 54° | 2.03" | — |
| 1993 | 25° | 10° | 17° | — | — |
| 1992 | 37° | 32° | 35° | 0.03" | — |
| 1991 | 37° | 29° | 33° | — | — |
| 1990 | 32° | 13° | 22° | — | — |
| 1989 | 30° | 25° | 27° | 0.13" | — |
| 1988 | 39° | 31° | 35° | — | — |
| 1987 | 47° | 24° | 35° | — | — |
| 1986 | 40° | 32° | 36° | — | — |
| 1985 | 30° | 13° | 21° | — | — |
| 1984 | 40° | 29° | 34° | — | — |
| 1983 | 58° | 33° | 45° | — | — |
| 1982 | 42° | 33° | 38° | — | — |
| 1981 | 59° | 33° | 46° | — | — |
| 1980 | 39° | 30° | 35° | — | — |
| 1979 | 16° | -4° | 6° | — | — |
| 1978 | 22° | 0° | 11° | — | — |
| 1977 | 35° | 18° | 26° | — | — |
| 1976 | 45° | 29° | 37° | 0.56" | — |
| 1974 | 49° | 24° | 36° | — | — |
| 1973 | — | 29° | — | 0.2" | 1" |
| 1972 | 36° | 12° | 24° | — | — |
| 1971 | 55° | 33° | 44° | 0.38" | — |
55 years of data from JOLIET