Weather on May 27
Joliet, IL
55 Years of Data
Avg High
75°F
Avg Low
53°F
Warmest
2012
78°F avg
Coldest
1992
44°F avg
About This Date
May 27th in Joliet, IL typically brings pleasant spring weather, with average highs around 75°F and lows near 53°F. Over 53 years of records, the warmest May 27th was in 2012 (78°F average), while the coldest was 1992 (44°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 34% of May 27th dates historically, with the wettest May 27th recording 8.38" of rain. The last decade has been 7.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.2°F warmer on this date compared to 20-30 years ago.
Planning for May 27th in Joliet, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 54° | 62° | — | — |
| 2024 | 75° | 58° | 66° | 1.78" | — |
| 2023 | 72° | 46° | 59° | — | — |
| 2022 | 75° | 57° | 66° | 2.29" | — |
| 2021 | 79° | 57° | 68° | — | — |
| 2020 | 86° | 67° | 76° | — | — |
| 2019 | 77° | 54° | 65° | 0.36" | — |
| 2018 | 90° | 66° | 78° | — | — |
| 2017 | 65° | 54° | 59° | 0.58" | — |
| 2016 | 84° | 66° | 75° | — | — |
| 2015 | 79° | 65° | 72° | 1.65" | — |
| 2014 | 87° | 63° | 75° | 0.28" | — |
| 2013 | 63° | 47° | 55° | 1.07" | — |
| 2012warmest | 89° | 66° | 78° | — | — |
| 2011 | 53° | 43° | 48° | 0.28" | — |
| 2010 | 87° | 66° | 77° | — | — |
| 2009 | 78° | 60° | 69° | 8.38" | — |
| 2008 | 80° | 43° | 61° | 0.03" | — |
| 2007 | 71° | 54° | 62° | 2.34" | — |
| 2006 | 82° | 42° | 62° | — | — |
| 2005 | 74° | 56° | 65° | — | — |
| 2004 | 69° | 53° | 61° | — | — |
| 2003 | 74° | 48° | 61° | — | — |
| 2002 | 74° | 42° | 58° | — | — |
| 2001 | 67° | 46° | 56° | 4.45" | — |
| 2000 | 73° | 56° | 64° | 0.76" | — |
| 1999 | 73° | 47° | 60° | — | — |
| 1998 | 80° | 51° | 66° | — | — |
| 1997 | 60° | 49° | 54° | — | — |
| 1996 | 62° | 51° | 57° | 1.02" | — |
| 1995 | 69° | 48° | 59° | — | — |
| 1994 | 57° | 37° | 47° | — | — |
| 1993 | 78° | 47° | 62° | — | — |
| 1992coldest | 53° | 35° | 44° | — | — |
| 1991 | 89° | 65° | 77° | — | — |
| 1990 | 65° | 55° | 60° | — | — |
| 1989 | 72° | 48° | 60° | — | — |
| 1988 | 78° | 45° | 61° | — | — |
| 1987 | 85° | 64° | 74° | — | — |
| 1986 | 68° | 56° | 62° | 1.85" | — |
| 1985 | 92° | 62° | 77° | 1.45" | — |
| 1984 | 66° | 48° | 57° | — | — |
| 1983 | 65° | 39° | 52° | — | — |
| 1981 | 78° | 57° | 68° | 0.33" | — |
| 1980 | 75° | 50° | 63° | — | — |
| 1979 | 71° | 44° | 58° | — | — |
| 1978 | 89° | 65° | 77° | — | — |
| 1977 | 86° | 60° | 73° | — | — |
| 1976 | 75° | 52° | 63° | — | — |
| 1974 | 73° | 41° | 57° | — | — |
| 1973 | 73° | 58° | 65° | 1.17" | — |
| 1972 | 89° | 54° | 71° | — | — |
| 1971 | 67° | 35° | 51° | — | — |
53 years of data from JOLIET