Weather on July 4
Naperville, IL
55 Years of Data
Avg High
86°F
Avg Low
62°F
Warmest
2012
86°F avg
Coldest
1972
61°F avg
About This Date
July 4th in Naperville, IL typically brings warm summer weather, with average highs around 86°F and lows near 62°F. Over 55 years of records, the warmest July 4th was in 2012 (86°F average), while the coldest was 1972 (61°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 35% of July 4th dates historically, with the wettest July 4th recording 5.36" of rain. The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
Planning for July 4th in Naperville, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 67° | 79° | — | — |
| 2024 | 87° | 67° | 77° | — | — |
| 2023 | 88° | 61° | 74° | — | — |
| 2022 | 87° | 60° | 74° | — | — |
| 2021 | 85° | 52° | 68° | — | — |
| 2020 | 90° | 62° | 76° | — | — |
| 2019 | 90° | 70° | 80° | — | — |
| 2018 | 93° | 66° | 80° | — | — |
| 2017 | 83° | 62° | 72° | 0.03" | — |
| 2016 | 77° | 53° | 65° | — | — |
| 2015 | 78° | 53° | 66° | — | — |
| 2014 | 76° | 52° | 64° | — | — |
| 2013 | 72° | 54° | 63° | 0.1" | — |
| 2012warmest | 96° | 75° | 86° | — | — |
| 2011 | 85° | 62° | 73° | — | — |
| 2010 | 87° | 67° | 77° | — | — |
| 2009 | 81° | 57° | 69° | — | — |
| 2008 | 72° | 50° | 61° | — | — |
| 2007 | 83° | 62° | 72° | 1.5" | — |
| 2006 | 83° | 69° | 76° | 0.28" | — |
| 2005 | 85° | 68° | 76° | 0.03" | — |
| 2004 | 82° | 69° | 76° | 1.6" | — |
| 2003 | 93° | 75° | 84° | — | — |
| 2002 | 95° | 70° | 82° | — | — |
| 2001 | 90° | 68° | 79° | 0.53" | — |
| 2000 | 88° | 64° | 76° | — | — |
| 1999 | 93° | 77° | 85° | — | — |
| 1998 | 90° | 67° | 78° | 5.36" | — |
| 1997 | 75° | 55° | 65° | — | — |
| 1996 | 84° | 54° | 69° | — | — |
| 1995 | 85° | 65° | 75° | 3.07" | — |
| 1994 | 92° | 71° | 81° | — | — |
| 1993 | 90° | 75° | 82° | — | — |
| 1992 | — | 56° | — | 0.3" | — |
| 1991 | 90° | 63° | 76° | 1.17" | — |
| 1990 | 97° | — | — | — | — |
| 1989 | 84° | 65° | 74° | — | — |
| 1988 | 93° | 54° | 73° | — | — |
| 1987 | 86° | 60° | 73° | — | — |
| 1986 | 86° | 65° | 75° | — | — |
| 1985 | 88° | 55° | 71° | 0.23" | — |
| 1984 | 83° | 63° | 73° | 0.13" | — |
| 1983 | 82° | 69° | 76° | 0.2" | — |
| 1982 | 88° | — | — | — | — |
| 1981 | 84° | 65° | 74° | — | — |
| 1980 | 86° | 60° | 73° | 2.82" | — |
| 1979 | 81° | 59° | 70° | 2.82" | — |
| 1978 | 83° | 54° | 68° | — | — |
| 1977 | 95° | 74° | 84° | — | — |
| 1976 | 85° | 51° | 68° | — | — |
| 1975 | 86° | 53° | 70° | 0.05" | — |
| 1974 | 95° | 63° | 79° | 0.61" | — |
| 1973 | 88° | 65° | 76° | 2.03" | — |
| 1972coldest | 76° | 47° | 61° | — | — |
| 1971 | 90° | 58° | 74° | — | — |
55 years of data from LISLE - MORTON ARBORETUM