Weather on May 8
Joliet, IL
55 Years of Data
Avg High
69°F
Avg Low
47°F
Warmest
2000
77°F avg
Coldest
1976
44°F avg
About This Date
May 8th in Joliet, IL typically brings mild spring weather, with average highs around 69°F and lows near 47°F. Over 53 years of records, the warmest May 8th was in 2000 (77°F average), while the coldest was 1976 (44°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 43% of May 8th dates historically, with the wettest May 8th recording 4.83" of rain. The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
Planning for May 8th in Joliet, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 49° | 56° | — | — |
| 2024 | 74° | 51° | 62° | 4.83" | — |
| 2023 | 85° | 57° | 71° | 1.78" | — |
| 2022 | 64° | 46° | 55° | — | — |
| 2021 | 59° | 34° | 46° | — | — |
| 2020 | 65° | 40° | 52° | — | — |
| 2019 | 52° | 45° | 48° | 0.03" | — |
| 2018 | 76° | 52° | 64° | — | — |
| 2017 | 60° | 35° | 48° | — | — |
| 2016 | 66° | 41° | 54° | 0.25" | — |
| 2015 | 85° | 62° | 73° | 0.03" | — |
| 2014 | 84° | 55° | 70° | 0.05" | — |
| 2013 | 76° | 50° | 63° | — | — |
| 2012 | 62° | 49° | 55° | 0.51" | — |
| 2011 | 71° | 44° | 58° | — | — |
| 2010 | 64° | 45° | 54° | 0.25" | — |
| 2009 | 78° | 54° | 66° | 0.66" | — |
| 2008 | 69° | 49° | 59° | 1.6" | — |
| 2007 | 85° | 50° | 67° | — | — |
| 2006 | 72° | 44° | 58° | — | — |
| 2005 | 75° | 50° | 63° | — | — |
| 2004 | 57° | 47° | 52° | 0.76" | — |
| 2003 | 72° | 50° | 61° | — | — |
| 2002 | 65° | 51° | 58° | — | — |
| 2001 | 80° | 44° | 62° | 0.15" | — |
| 2000warmest | 84° | 69° | 77° | 0.2" | — |
| 1999 | 58° | 53° | 55° | — | — |
| 1998 | 61° | 56° | 58° | 2.54" | — |
| 1997 | 65° | 44° | 54° | 0.94" | — |
| 1996 | 57° | 43° | 50° | 0.08" | — |
| 1995 | 76° | 53° | 64° | 0.38" | — |
| 1994 | 56° | 38° | 47° | 0.46" | — |
| 1993 | 79° | 62° | 70° | — | — |
| 1992 | 72° | 37° | 54° | — | — |
| 1991 | 72° | 51° | 61° | 0.05" | — |
| 1990 | 75° | 50° | 63° | — | — |
| 1989 | 58° | 31° | 44° | — | — |
| 1988 | 85° | 51° | 68° | — | — |
| 1987 | 78° | 47° | 62° | — | — |
| 1986 | 75° | 48° | 62° | — | — |
| 1985 | 76° | 44° | 60° | — | — |
| 1984 | 68° | 41° | 55° | — | — |
| 1983 | 70° | 39° | 54° | 0.28" | — |
| 1981 | 60° | 41° | 51° | — | — |
| 1980 | 57° | 39° | 48° | — | — |
| 1979 | 82° | 54° | 68° | — | — |
| 1978 | 54° | 44° | 49° | 1.24" | — |
| 1977 | 71° | 34° | 52° | — | — |
| 1976coldest | 54° | 34° | 44° | — | — |
| 1974 | 58° | 42° | 50° | — | — |
| 1973 | 62° | 53° | 58° | 0.36" | — |
| 1972 | 47° | 45° | 46° | 0.13" | — |
| 1971 | 73° | 41° | 57° | — | — |
53 years of data from JOLIET