Weather on July 2
Naperville, IL
55 Years of Data
Avg High
84°F
Avg Low
59°F
Warmest
2002
85°F avg
Coldest
2015
60°F avg
About This Date
July 2nd in Naperville, IL typically brings warm summer weather, with average highs around 84°F and lows near 59°F — a 25°F daily swing. Over 55 years of records, the warmest July 2nd was in 2002 (85°F average), while the coldest was 2015 (60°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 11% of July 2nd dates historically, with the wettest July 2nd recording 15.67" of rain. The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
Planning for July 2nd in Naperville, IL? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 61° | 74° | — | — |
| 2024 | 74° | 53° | 63° | — | — |
| 2023 | 83° | 68° | 75° | 0.61" | — |
| 2022 | 80° | 56° | 68° | — | — |
| 2021 | 78° | 54° | 66° | — | — |
| 2020 | 89° | 65° | 77° | — | — |
| 2019 | 87° | 70° | 78° | — | — |
| 2018 | 92° | 65° | 78° | — | — |
| 2017 | 84° | 54° | 69° | — | — |
| 2016 | 76° | 49° | 62° | — | — |
| 2015coldest | 71° | 49° | 60° | — | — |
| 2014 | 80° | 62° | 71° | — | — |
| 2013 | 76° | 57° | 66° | — | — |
| 2012 | 92° | 66° | 79° | 0.66" | — |
| 2011 | 85° | 74° | 79° | — | — |
| 2010 | 81° | — | — | — | — |
| 2009 | 67° | 57° | 62° | — | — |
| 2008 | 83° | 60° | 71° | — | — |
| 2007 | 78° | 51° | 65° | — | — |
| 2006 | 89° | 74° | 81° | — | — |
| 2005 | 77° | 49° | 63° | — | — |
| 2004 | 86° | 58° | 72° | — | — |
| 2003 | 90° | 54° | 72° | — | — |
| 2002warmest | 96° | 73° | 85° | — | — |
| 2001 | 78° | 44° | 61° | — | — |
| 2000 | 85° | 65° | 75° | — | — |
| 1999 | 87° | 63° | 75° | — | — |
| 1998 | 87° | 56° | 71° | — | — |
| 1997 | 92° | 72° | 82° | — | — |
| 1996 | 87° | 62° | 75° | — | — |
| 1995 | 77° | 48° | 63° | — | — |
| 1994 | 87° | 60° | 74° | — | — |
| 1993 | 83° | 63° | 73° | — | — |
| 1992 | 92° | 68° | 80° | — | — |
| 1991 | 94° | 68° | 81° | — | — |
| 1990 | 84° | 55° | 70° | — | — |
| 1989 | 86° | 62° | 74° | — | — |
| 1988 | 82° | 50° | 66° | — | — |
| 1987 | 84° | 59° | 72° | — | — |
| 1986 | 78° | 61° | 69° | 0.15" | — |
| 1985 | 84° | 56° | 70° | — | — |
| 1984 | 85° | 50° | 67° | — | — |
| 1983 | 86° | 62° | 74° | 15.67" | — |
| 1982 | 77° | 50° | 64° | — | — |
| 1981 | 83° | 65° | 74° | — | — |
| 1980 | 85° | 63° | 74° | — | — |
| 1979 | 80° | 50° | 65° | — | — |
| 1978 | 84° | 69° | 77° | 5" | — |
| 1977 | 83° | 51° | 67° | — | — |
| 1976 | 83° | 48° | 65° | — | — |
| 1975 | 90° | 61° | 75° | — | — |
| 1974 | 95° | 65° | 80° | 4.27" | — |
| 1973 | 91° | 70° | 80° | — | — |
| 1972 | 80° | 60° | 70° | — | — |
| 1971 | 84° | 57° | 71° | — | — |
55 years of data from LISLE - MORTON ARBORETUM