Weather on July 19
Joliet, IL
55 Years of Data
Avg High
86°F
Avg Low
66°F
Warmest
2011
85°F avg
Coldest
2009
60°F avg
About This Date
July 19th in Joliet, IL typically brings warm summer weather, with average highs around 86°F and lows near 66°F. Over 54 years of records, the warmest July 19th was in 2011 (85°F average), while the coldest was 2009 (60°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 44% of July 19th dates historically, with the wettest July 19th recording 6.4" of rain. The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
Planning for July 19th in Joliet, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 71° | 78° | — | — |
| 2024 | 76° | 56° | 66° | — | — |
| 2023 | 80° | 59° | 70° | — | — |
| 2022 | 87° | 67° | 77° | — | — |
| 2021 | 84° | 65° | 74° | — | — |
| 2020 | 87° | 74° | 80° | — | — |
| 2019 | 88° | 72° | 80° | 2.41" | — |
| 2018 | 79° | 61° | 70° | — | — |
| 2017 | 86° | 61° | 73° | — | — |
| 2016 | 83° | 64° | 73° | — | — |
| 2015 | 89° | 72° | 80° | 0.28" | — |
| 2014 | 78° | 53° | 66° | — | — |
| 2013 | 92° | 75° | 83° | — | — |
| 2012 | 94° | 71° | 82° | 3.56" | — |
| 2011warmest | 91° | 78° | 85° | 0.1" | — |
| 2010 | 91° | 69° | 80° | — | — |
| 2009coldest | 72° | 48° | 60° | — | — |
| 2008 | 87° | 70° | 78° | 0.48" | — |
| 2007 | 85° | 69° | 77° | 6.4" | — |
| 2006 | 83° | 70° | 76° | — | — |
| 2005 | 94° | 55° | 74° | — | — |
| 2004 | 82° | 62° | 72° | — | — |
| 2003 | 75° | 59° | 67° | 0.03" | — |
| 2002 | 90° | 70° | 80° | — | — |
| 2001 | 87° | 73° | 80° | 0.76" | — |
| 2000 | 75° | 62° | 69° | 0.1" | — |
| 1999 | 87° | 69° | 78° | — | — |
| 1998 | 89° | 69° | 79° | 1.42" | — |
| 1997 | 95° | 68° | 82° | 1.17" | — |
| 1996 | 89° | 69° | 79° | 2.03" | — |
| 1995 | 85° | 64° | 74° | — | — |
| 1994 | 85° | 62° | 73° | 1.65" | — |
| 1993 | 89° | 72° | 80° | 2.08" | — |
| 1992 | 81° | 61° | 71° | — | — |
| 1991 | 98° | 70° | 84° | — | — |
| 1990 | 87° | 63° | 75° | 0.08" | — |
| 1989 | 76° | 63° | 69° | 5.33" | — |
| 1988 | 77° | 66° | 72° | 1.3" | — |
| 1987 | 89° | 63° | 76° | — | — |
| 1986 | 97° | 71° | 84° | — | — |
| 1985 | 85° | 62° | 73° | — | — |
| 1984 | 79° | 53° | 66° | — | — |
| 1983 | 92° | 72° | 82° | 0.46" | — |
| 1982 | 85° | 67° | 76° | 2.92" | — |
| 1981 | 91° | 69° | 80° | — | — |
| 1980 | 90° | 68° | 79° | 0.28" | — |
| 1979 | 81° | 55° | 68° | — | — |
| 1978 | 86° | 70° | 78° | — | — |
| 1977 | 81° | 65° | 73° | 2.01" | — |
| 1976 | 92° | 61° | 76° | — | — |
| 1974 | 96° | 72° | 84° | 0.13" | — |
| 1973 | 89° | 69° | 79° | — | — |
| 1972 | 84° | 70° | 77° | 1.32" | — |
| 1971 | 81° | 62° | 71° | 0.38" | — |
54 years of data from JOLIET