Weather on May 11
Joliet, IL
55 Years of Data
Avg High
72°F
Avg Low
49°F
Warmest
2022
77°F avg
Coldest
1981
40°F avg
About This Date
May 11th in Joliet, IL typically brings pleasant spring weather, with average highs around 72°F and lows near 49°F. Over 53 years of records, the warmest May 11th was in 2022 (77°F average), while the coldest was 1981 (40°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 34% of May 11th dates historically, with the wettest May 11th recording 4.22" of rain. The last decade has been 4.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.1°F cooler on this date compared to 20-30 years ago.
Planning for May 11th in Joliet, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 45° | 61° | — | — |
| 2024 | 60° | 47° | 53° | — | — |
| 2023 | 78° | 49° | 63° | — | — |
| 2022warmest | 88° | 67° | 77° | — | — |
| 2021 | 56° | 33° | 44° | 0.05" | — |
| 2020 | 51° | 37° | 44° | 0.25" | — |
| 2019 | 72° | 44° | 58° | 0.3" | — |
| 2018 | 76° | 48° | 62° | 0.15" | — |
| 2017 | 70° | 51° | 60° | 2.44" | — |
| 2016 | 67° | 56° | 61° | 1.96" | — |
| 2015 | 67° | 49° | 58° | 0.05" | — |
| 2014 | 76° | 50° | 63° | — | — |
| 2013 | 50° | 46° | 48° | — | — |
| 2012 | 67° | 44° | 55° | — | — |
| 2011 | 90° | 63° | 76° | — | — |
| 2010 | 60° | 42° | 51° | — | — |
| 2009 | 67° | 42° | 54° | — | — |
| 2008 | 65° | 43° | 54° | 1.19" | — |
| 2007 | 84° | 58° | 71° | — | — |
| 2006 | 71° | 51° | 61° | 0.38" | — |
| 2005 | 85° | 62° | 73° | — | — |
| 2004 | 85° | 60° | 72° | 0.08" | — |
| 2003 | 77° | 50° | 64° | 0.64" | — |
| 2002 | 55° | 53° | 54° | — | — |
| 2001 | 85° | 61° | 73° | 0.84" | — |
| 2000 | 70° | 47° | 58° | — | — |
| 1999 | 81° | 50° | 65° | — | — |
| 1998 | 69° | 47° | 58° | — | — |
| 1997 | 65° | 42° | 53° | — | — |
| 1996 | 68° | 39° | 54° | — | — |
| 1995 | 64° | 50° | 57° | 0.94" | — |
| 1994 | 72° | 46° | 59° | — | — |
| 1993 | 87° | 63° | 75° | — | — |
| 1992 | 86° | 54° | 70° | — | — |
| 1991 | 85° | 63° | 74° | — | — |
| 1990 | 58° | 38° | 48° | 0.13" | — |
| 1989 | 65° | 41° | 53° | — | — |
| 1988 | 77° | 50° | 64° | 0.13" | — |
| 1987 | 89° | 63° | 76° | — | — |
| 1986 | 82° | 49° | 65° | — | — |
| 1985 | 84° | 57° | 71° | — | — |
| 1984 | 68° | 42° | 55° | — | — |
| 1983 | 75° | 41° | 58° | — | — |
| 1981coldest | 42° | 38° | 40° | 4.22" | — |
| 1980 | 75° | 49° | 62° | — | — |
| 1979 | 87° | 62° | 75° | 0.36" | — |
| 1978 | 74° | 43° | 58° | 0.64" | — |
| 1977 | 67° | 42° | 54° | — | — |
| 1976 | 76° | 47° | 61° | — | — |
| 1974 | 68° | 43° | 55° | — | — |
| 1973 | 72° | 49° | 60° | — | — |
| 1972 | 72° | 38° | 55° | — | — |
| 1971 | 75° | 55° | 65° | — | — |
53 years of data from JOLIET