Weather on July 12
Joliet, IL
55 Years of Data
Avg High
85°F
Avg Low
64°F
Warmest
1995
82°F avg
Coldest
1978
65°F avg
About This Date
July 12th in Joliet, IL typically brings warm summer weather, with average highs around 85°F and lows near 64°F. Over 54 years of records, the warmest July 12th was in 1995 (82°F average), while the coldest was 1978 (65°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 33% of July 12th dates historically, with the wettest July 12th recording 2.92" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for July 12th in Joliet, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 70° | 78° | 0.13" | — |
| 2024 | 83° | 65° | 74° | 0.13" | — |
| 2023 | 87° | 60° | 74° | 2.92" | — |
| 2022 | 83° | 65° | 74° | — | — |
| 2021 | 73° | 63° | 68° | 0.51" | — |
| 2020 | 83° | 64° | 73° | 1.57" | — |
| 2019 | 82° | 60° | 71° | — | — |
| 2018 | 87° | 67° | 77° | — | — |
| 2017 | 82° | 70° | 76° | — | — |
| 2016 | 87° | 68° | 78° | — | — |
| 2015 | 77° | 61° | 69° | 0.25" | — |
| 2014 | 79° | 59° | 69° | 0.51" | — |
| 2013 | 79° | 60° | 69° | — | — |
| 2012 | 87° | 61° | 74° | — | — |
| 2011 | 90° | 70° | 80° | 0.05" | — |
| 2010 | 84° | 65° | 74° | 1.98" | — |
| 2009 | 83° | 59° | 71° | — | — |
| 2008 | 88° | 67° | 77° | 0.38" | — |
| 2007 | 76° | 58° | 67° | — | — |
| 2006 | 80° | 66° | 73° | 2.29" | — |
| 2005 | 88° | 67° | 77° | — | — |
| 2004 | 86° | 67° | 76° | — | — |
| 2003 | 82° | 60° | 71° | 1.14" | — |
| 2002 | 82° | 67° | 74° | — | — |
| 2001 | 93° | 62° | 78° | — | — |
| 2000 | 79° | 62° | 70° | — | — |
| 1999 | 81° | 55° | 68° | — | — |
| 1998 | 83° | 62° | 72° | — | — |
| 1997 | 84° | 60° | 72° | — | — |
| 1996 | 82° | 56° | 69° | — | — |
| 1995warmest | 92° | 73° | 82° | — | — |
| 1994 | 82° | 55° | 69° | — | — |
| 1993 | 83° | 68° | 75° | — | — |
| 1992 | 82° | 65° | 73° | 0.13" | — |
| 1991 | 86° | 64° | 75° | — | — |
| 1990 | 72° | 61° | 66° | 0.71" | — |
| 1989 | 91° | 68° | 80° | 2.92" | — |
| 1988 | 91° | 65° | 78° | — | — |
| 1987 | 90° | 73° | 81° | — | — |
| 1986 | 81° | 65° | 73° | 0.05" | — |
| 1985 | 83° | 60° | 71° | — | — |
| 1984 | 83° | 64° | 73° | — | — |
| 1983 | 91° | 65° | 78° | — | — |
| 1982 | 78° | 59° | 69° | — | — |
| 1981 | 89° | 65° | 77° | — | — |
| 1980 | 93° | 69° | 81° | 0.28" | — |
| 1979 | 87° | 68° | 78° | — | — |
| 1978coldest | 76° | 55° | 65° | — | — |
| 1977 | 87° | 65° | 76° | 2.21" | — |
| 1976 | 96° | 59° | 78° | — | — |
| 1974 | 92° | 64° | 78° | — | — |
| 1973 | 91° | 66° | 79° | — | — |
| 1972 | 91° | 66° | 79° | — | — |
| 1971 | 85° | 60° | 72° | — | — |
54 years of data from JOLIET