Weather on May 30
Joliet, IL
55 Years of Data
Avg High
78°F
Avg Low
55°F
Warmest
1987
79°F avg
Coldest
2021
51°F avg
About This Date
May 30th in Joliet, IL typically brings pleasant spring weather, with average highs around 78°F and lows near 55°F. Over 53 years of records, the warmest May 30th was in 1987 (79°F average), while the coldest was 2021 (51°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 26% of May 30th dates historically, with the wettest May 30th recording 2.18" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for May 30th in Joliet, IL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 49° | 63° | — | — |
| 2024 | 71° | 41° | 56° | — | — |
| 2023 | 84° | 57° | 71° | — | — |
| 2022 | 83° | 60° | 71° | — | — |
| 2021coldest | 63° | 40° | 51° | — | — |
| 2020 | 74° | 53° | 63° | — | — |
| 2019 | 75° | 56° | 65° | 0.51" | — |
| 2018 | 87° | 68° | 78° | — | — |
| 2017 | 76° | 53° | 64° | — | — |
| 2016 | 83° | 63° | 73° | — | — |
| 2015 | 82° | 67° | 74° | 0.61" | — |
| 2014 | 77° | 57° | 67° | — | — |
| 2013 | 83° | 63° | 73° | — | — |
| 2012 | 83° | 55° | 69° | — | — |
| 2011 | 73° | 61° | 67° | 1.35" | — |
| 2010 | 87° | 63° | 75° | — | — |
| 2009 | 76° | 51° | 63° | — | — |
| 2008 | 70° | 43° | 56° | — | — |
| 2007 | 86° | 65° | 75° | — | — |
| 2006 | 93° | 43° | 68° | 1.45" | — |
| 2005 | 71° | 48° | 60° | — | — |
| 2004 | 77° | 51° | 64° | 0.08" | — |
| 2003 | 66° | 49° | 57° | — | — |
| 2002 | 81° | 66° | 73° | — | — |
| 2001 | 71° | 47° | 59° | — | — |
| 2000 | 72° | 48° | 60° | — | — |
| 1999 | 86° | 60° | 73° | — | — |
| 1998 | 85° | 65° | 75° | 0.08" | — |
| 1997 | 63° | 56° | 59° | — | — |
| 1996 | 65° | 42° | 53° | — | — |
| 1995 | 69° | 52° | 60° | — | — |
| 1994 | 84° | 55° | 70° | — | — |
| 1993 | 63° | 47° | 55° | — | — |
| 1992 | 72° | 52° | 62° | — | — |
| 1991 | 87° | 67° | 77° | 1.02" | — |
| 1990 | 75° | 44° | 60° | — | — |
| 1989 | 81° | 57° | 69° | — | — |
| 1988 | 89° | 62° | 76° | — | — |
| 1987warmest | 90° | 69° | 79° | — | — |
| 1986 | 82° | 58° | 70° | 0.03" | — |
| 1985 | 73° | 50° | 62° | — | — |
| 1984 | 69° | 39° | 54° | — | — |
| 1983 | 68° | 44° | 56° | 0.23" | — |
| 1981 | 84° | 62° | 73° | 2.18" | — |
| 1980 | 85° | 64° | 74° | 0.51" | — |
| 1979 | 86° | 55° | 71° | — | — |
| 1978 | 90° | 67° | 78° | — | — |
| 1977 | 91° | 62° | 77° | — | — |
| 1976 | 75° | 57° | 66° | 0.2" | — |
| 1974 | 81° | 50° | 65° | — | — |
| 1973 | 69° | 46° | 58° | 0.97" | — |
| 1972 | 76° | 46° | 61° | 0.1" | — |
| 1971 | 85° | 45° | 65° | — | — |
53 years of data from JOLIET