Weather on May 17
Joliet, IL
55 Years of Data
Avg High
72°F
Avg Low
49°F
Warmest
2001
79°F avg
Coldest
2014
41°F avg
About This Date
May 17th 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 17th was in 2001 (79°F average), while the coldest was 2014 (41°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 17th dates historically, with the wettest May 17th recording 2.34" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for May 17th 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° | 55° | 66° | — | — |
| 2024 | 70° | 51° | 60° | 0.25" | — |
| 2023 | 79° | 42° | 60° | — | — |
| 2022 | 77° | 51° | 64° | — | — |
| 2021 | 69° | 51° | 60° | — | — |
| 2020 | 72° | 52° | 62° | 2.34" | — |
| 2019 | 74° | 57° | 65° | 0.51" | — |
| 2018 | 78° | 52° | 65° | — | — |
| 2017 | 85° | 66° | 75° | — | — |
| 2016 | 67° | 43° | 55° | — | — |
| 2015 | 77° | 64° | 71° | 1.42" | — |
| 2014coldest | 43° | 39° | 41° | 0.66" | — |
| 2013 | 82° | 57° | 70° | — | — |
| 2012 | 64° | 44° | 54° | — | — |
| 2011 | 56° | 39° | 47° | — | — |
| 2010 | 68° | 48° | 58° | 0.2" | — |
| 2009 | 63° | 37° | 50° | — | — |
| 2008 | 72° | 40° | 56° | 0.03" | — |
| 2007 | 67° | 43° | 55° | 0.03" | — |
| 2006 | 66° | 47° | 56° | — | — |
| 2005 | 60° | 39° | 50° | — | — |
| 2004 | 70° | 43° | 56° | — | — |
| 2003 | 69° | 48° | 59° | — | — |
| 2002 | 66° | 42° | 54° | 1.7" | — |
| 2001warmest | 92° | 67° | 79° | 0.03" | — |
| 2000 | 71° | 58° | 64° | 0.25" | — |
| 1999 | 84° | 60° | 72° | 1.7" | — |
| 1998 | 83° | 53° | 68° | — | — |
| 1997 | 68° | 36° | 52° | — | — |
| 1996 | 64° | 56° | 60° | 0.05" | — |
| 1995 | 76° | 54° | 65° | 0.33" | — |
| 1994 | 68° | 42° | 55° | — | — |
| 1993 | 67° | 44° | 55° | — | — |
| 1992 | 86° | 58° | 72° | — | — |
| 1991 | 76° | 49° | 62° | 1.32" | — |
| 1990 | 74° | 53° | 63° | 0.25" | — |
| 1989 | 75° | 48° | 62° | — | — |
| 1988 | 71° | 44° | 58° | — | — |
| 1987 | 84° | 49° | 66° | — | — |
| 1986 | 78° | 59° | 69° | 0.51" | — |
| 1985 | 60° | 46° | 53° | 0.64" | — |
| 1984 | 69° | 42° | 56° | — | — |
| 1983 | 66° | 39° | 53° | 0.05" | — |
| 1981 | 73° | 47° | 60° | — | — |
| 1980 | 65° | 51° | 58° | 0.79" | — |
| 1979 | 73° | 48° | 61° | — | — |
| 1978 | 65° | 44° | 54° | — | — |
| 1977 | 90° | 67° | 78° | — | — |
| 1976 | 73° | 51° | 62° | 0.69" | — |
| 1974 | 82° | 54° | 68° | — | — |
| 1973 | 65° | 37° | 51° | — | — |
| 1972 | 81° | 48° | 64° | — | — |
| 1971 | 89° | 49° | 69° | — | — |
53 years of data from JOLIET