Michael D Beckwith / CC BY 2.0
Joliet, IL Weather on July 11
July 11th 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 11th was in 1976 (87°F average), while the coldest was 1978 (64°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 31% of July 11th dates historically, with the wettest July 11th recording 3.18" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
What to Expect on July 11
Planning for July 11th in Joliet, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
July 11 Weather Records for Joliet
- •The all-time record high for July 11th in Joliet, IL is 99°F, set in 1976.
- •The coldest July 11th on record dropped to 52°F in 1978.
- •Temperatures have reached 90°F or higher on July 11th in 11 of the last 54 years.
Frequently Asked Questions
What was the warmest July 11 ever in Joliet?
The warmest July 11 in Joliet, IL reached 99°F in 1976. That is 14°F above the long-term average high of 85°F.
What was the coldest July 11 ever in Joliet?
The coldest July 11 in Joliet, IL dropped to 52°F in 1978. That is 12°F below the long-term average low of 64°F.
What is the average temperature on July 11 in Joliet?
On July 11, Joliet averages a high of 85°F and a low of 64°F based on 54 years of NOAA weather observations from JOLIET.
How many years of weather data are available for July 11 in Joliet?
We have 54 years of weather records for July 11 in Joliet, IL, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
July 11 Weather History in Joliet
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 91°F | 72°F | -- | -- |
| 2024 | 83°F | 58°F | 0" | -- |
| 2023 | 83°F | 62°F | 0" | -- |
| 2022 | 82°F | 59°F | 0" | -- |
| 2021 | 72°F | 62°F | 0.51" | -- |
| 2020 | 85°F | 65°F | 0.05" | -- |
| 2019 | 92°F | 68°F | 0" | -- |
| 2018 | 86°F | 67°F | 0" | -- |
| 2017 | 84°F | 66°F | 3.18" | -- |
| 2016 | 80°F | 61°F | 0" | -- |
| 2015 | 80°F | 61°F | 0" | -- |
| 2014 | 79°F | 59°F | 0" | -- |
| 2013 | 85°F | 63°F | 0" | -- |
| 2012 | 83°F | 66°F | 0" | -- |
| 2011 | 89°F | 71°F | 0" | -- |
| 2010 | 87°F | 66°F | 0" | -- |
| 2009 | 80°F | 65°F | 0.51" | -- |
| 2008 | 85°F | 63°F | 1.91" | -- |
| 2007 | 86°F | 62°F | 0.23" | -- |
| 2006 | 76°F | 66°F | 0.51" | -- |
| 2005 | 91°F | 60°F | 0" | -- |
| 2004 | 83°F | 66°F | 0" | -- |
| 2003 | 82°F | 60°F | 0.03" | -- |
| 2002 | 81°F | 66°F | 0" | -- |
| 2001 | 92°F | 63°F | 0" | -- |
| 2000 | 92°F | 66°F | 1.27" | -- |
| 1999 | 77°F | 55°F | 0" | -- |
| 1998 | 85°F | 65°F | 0" | -- |
| 1997 | 80°F | 56°F | 0" | -- |
| 1996 | 78°F | 55°F | 0" | -- |
| 1995 | 88°F | 61°F | 0" | -- |
| 1994 | 75°F | 55°F | 0" | -- |
| 1993 | 83°F | 68°F | 1.91" | -- |
| 1992 | 83°F | 64°F | 0" | -- |
| 1991 | 84°F | 70°F | 0" | -- |
| 1990 | 75°F | 63°F | 1.96" | -- |
| 1989 | 98°F | 75°F | 0" | -- |
| 1988 | 87°F | 64°F | 0" | -- |
| 1987 | 90°F | 70°F | 2.03" | -- |
| 1986 | 82°F | 62°F | 0.43" | -- |
| 1985 | 81°F | 62°F | 0" | -- |
| 1984 | 97°F | 69°F | 1.37" | -- |
| 1983 | 89°F | 65°F | 0" | -- |
| 1982 | 82°F | 66°F | 1.7" | -- |
| 1981 | 90°F | 60°F | 0" | -- |
| 1980 | 89°F | 67°F | 0" | -- |
| 1979 | 86°F | 64°F | 0" | -- |
| 1978 | 76°F | 52°F | 0" | -- |
| 1977 | 87°F | 59°F | 0.99" | -- |
| 1976 | 99°F | 75°F | 0" | -- |
| 1974 | 85°F | 69°F | 0" | -- |
| 1973 | 89°F | 63°F | 0" | -- |
| 1972 | 92°F | 69°F | 0" | -- |
| 1971 | 81°F | 65°F | 0.51" | -- |
Based on 54 years of data from NOAA station: JOLIET
Monthly Climate Averages
Historical temperature and precipitation averages for Joliet, IL, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.