Weather on May 23
Naperville, IL
55 Years of Data
Avg High
75°F
Avg Low
51°F
Warmest
2021
76°F avg
Coldest
2025
50°F avg
About This Date
May 23rd in Naperville, IL typically brings pleasant spring weather, with average highs around 75°F and lows near 51°F. Over 55 years of records, the warmest May 23rd was in 2021 (76°F average), while the coldest was 2025 (50°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 29% of May 23rd dates historically, with the wettest May 23rd recording 3.18" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for May 23rd in Naperville, IL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025coldest | 57° | 43° | 50° | 0.03" | — |
| 2024 | 75° | 54° | 64° | — | — |
| 2023 | 82° | 46° | 64° | — | — |
| 2022 | 64° | 40° | 52° | — | — |
| 2021warmest | 86° | 67° | 76° | — | — |
| 2020 | 71° | 50° | 61° | — | — |
| 2019 | 82° | 56° | 69° | 0.69" | — |
| 2018 | 69° | 48° | 59° | 0.03" | — |
| 2017 | 74° | 50° | 62° | 0.1" | — |
| 2016 | 80° | 45° | 62° | — | — |
| 2015 | 71° | 42° | 57° | — | — |
| 2014 | 73° | 46° | 60° | — | — |
| 2013 | 73° | 50° | 62° | 3.18" | — |
| 2012 | 72° | 40° | 56° | — | — |
| 2011 | 87° | 63° | 75° | 0.69" | — |
| 2010 | 77° | 60° | 69° | — | — |
| 2009 | 72° | 56° | 64° | — | — |
| 2008 | 62° | 47° | 54° | — | — |
| 2007 | 87° | 54° | 70° | — | — |
| 2006 | 74° | 35° | 54° | — | — |
| 2005 | 81° | 55° | 68° | — | — |
| 2004 | 80° | 56° | 68° | 0.33" | — |
| 2003 | 66° | 42° | 54° | — | — |
| 2002 | 73° | 55° | 64° | — | — |
| 2001 | 66° | 57° | 62° | 0.43" | — |
| 2000 | 83° | 61° | 72° | — | — |
| 1999 | 75° | 49° | 62° | 0.43" | — |
| 1998 | 73° | 43° | 58° | — | — |
| 1997 | 76° | 38° | 57° | — | — |
| 1996 | 82° | 50° | 66° | 0.1" | — |
| 1995 | 79° | 60° | 69° | 1.02" | — |
| 1994 | 89° | 58° | 73° | — | — |
| 1993 | 70° | 57° | 63° | 0.97" | — |
| 1992 | 83° | 43° | 63° | — | — |
| 1991 | 84° | 65° | 74° | 1.04" | — |
| 1990 | 71° | 40° | 55° | — | — |
| 1989 | 84° | 51° | 68° | — | — |
| 1988 | 62° | 57° | 60° | — | — |
| 1987 | 64° | 50° | 57° | — | — |
| 1986 | 70° | 45° | 57° | — | — |
| 1985 | 78° | 59° | 69° | — | — |
| 1984 | 70° | 49° | 59° | 1.35" | — |
| 1983 | 70° | 50° | 60° | 0.36" | — |
| 1982 | 59° | 50° | 55° | — | — |
| 1981 | 77° | 53° | 65° | — | — |
| 1980 | 81° | 52° | 66° | — | — |
| 1979 | 65° | 47° | 56° | — | — |
| 1978 | 70° | 57° | 63° | — | — |
| 1977 | 89° | 59° | 74° | — | — |
| 1976 | 63° | 47° | 55° | — | — |
| 1975 | 87° | 56° | 71° | — | — |
| 1974 | 73° | 42° | 58° | — | — |
| 1973 | 68° | 54° | 61° | 0.08" | — |
| 1972 | 88° | 51° | 69° | — | — |
| 1971 | 78° | 46° | 62° | — | — |
55 years of data from LISLE - MORTON ARBORETUM