Weather on June 23
Naperville, IL
55 Years of Data
About This Date
June 23rd 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 June 23rd was in 2025 (84°F average), while the coldest was 1982 (61°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 36% of June 23rd dates historically, with the wettest June 23rd recording 5.08" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for June 23rd 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 |
|---|---|---|---|---|---|
| 2025warmest | 92° | 76° | 84° | — | — |
| 2024 | 90° | 72° | 81° | 5.08" | — |
| 2023 | 86° | 58° | 72° | — | — |
| 2022 | — | 58° | — | — | — |
| 2021 | 74° | 55° | 64° | — | — |
| 2020 | 85° | 60° | 72° | 4.57" | — |
| 2019 | 80° | 59° | 70° | — | — |
| 2018 | 66° | 58° | 62° | 1.91" | — |
| 2017 | 89° | 67° | 78° | 0.91" | — |
| 2016 | 75° | 63° | 69° | 1.09" | — |
| 2015 | 83° | 66° | 74° | 0.2" | — |
| 2014 | 85° | 65° | 75° | 0.36" | — |
| 2013 | 80° | 67° | 73° | — | — |
| 2012 | 84° | 54° | 69° | — | — |
| 2011 | 71° | 61° | 66° | 0.2" | — |
| 2010 | 85° | 62° | 73° | — | — |
| 2009 | 89° | 52° | 70° | — | — |
| 2008 | 80° | 52° | 66° | 0.48" | — |
| 2007 | 79° | 60° | 69° | 0.28" | — |
| 2006 | 82° | 59° | 71° | — | — |
| 2005 | 93° | 56° | 74° | — | — |
| 2004 | 82° | 51° | 67° | — | — |
| 2003 | 89° | 53° | 71° | — | — |
| 2002 | 95° | 65° | 80° | — | — |
| 2001 | 78° | 47° | 62° | — | — |
| 2000 | 89° | 57° | 73° | — | — |
| 1999 | 85° | 66° | 75° | 1.42" | — |
| 1998 | 91° | 63° | 77° | — | — |
| 1997 | 95° | 69° | 82° | — | — |
| 1996 | 86° | 57° | 72° | — | — |
| 1995 | 94° | 64° | 79° | — | — |
| 1994 | 90° | 64° | 77° | — | — |
| 1993 | 92° | 58° | 75° | — | — |
| 1992 | 74° | 56° | 65° | — | — |
| 1991 | 81° | 60° | 70° | — | — |
| 1990 | 70° | 60° | 65° | 1.3" | — |
| 1989 | 91° | — | — | — | — |
| 1988 | 95° | 63° | 79° | 2.79" | — |
| 1987 | 88° | 58° | 73° | — | — |
| 1986 | 86° | — | — | — | — |
| 1985 | 84° | 62° | 73° | 0.51" | — |
| 1984 | 85° | 65° | 75° | 0.94" | — |
| 1983 | 96° | 60° | 78° | — | — |
| 1982coldest | 78° | 44° | 61° | — | — |
| 1981 | 79° | 53° | 66° | — | — |
| 1980 | 87° | 58° | 72° | — | — |
| 1979 | 77° | 49° | 63° | — | — |
| 1978 | 79° | 52° | 65° | — | — |
| 1977 | 80° | 52° | 66° | 0.15" | — |
| 1976 | 75° | 55° | 65° | 0.03" | — |
| 1975 | 88° | 59° | 73° | 0.08" | — |
| 1974 | 76° | 51° | 63° | — | — |
| 1973 | 77° | 54° | 65° | 0.18" | — |
| 1972 | — | 44° | — | — | — |
| 1971 | 86° | 65° | 75° | 0.46" | — |
Naperville, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Naperville, IL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Naperville, IL Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Naperville, IL
Naperville, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.