Weather on August 22
Naperville, IL
55 Years of Data
Avg High
84°F
Avg Low
61°F
Warmest
1983
83°F avg
Coldest
2009
61°F avg
About This Date
August 22nd in Naperville, IL typically brings warm summer weather, with average highs around 84°F and lows near 61°F. Over 54 years of records, the warmest August 22nd was in 1983 (83°F average), while the coldest was 2009 (61°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 30% of August 22nd dates historically, with the wettest August 22nd recording 7.42" of rain. The last decade has been 4.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.0°F cooler on this date compared to 20-30 years ago.
Planning for August 22nd in Naperville, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 59° | 69° | — | — |
| 2024 | 75° | 47° | 61° | — | — |
| 2023 | 83° | 63° | 73° | — | — |
| 2022 | 80° | 58° | 69° | — | — |
| 2021 | 86° | 67° | 76° | 0.23" | — |
| 2020 | 85° | 57° | 71° | — | — |
| 2019 | 83° | 63° | 73° | — | — |
| 2018 | 77° | 54° | 65° | 0.28" | — |
| 2017 | 85° | 69° | 77° | 0.3" | — |
| 2016 | 75° | 55° | 65° | — | — |
| 2015 | 82° | 56° | 69° | — | — |
| 2014 | 80° | 70° | 75° | 7.42" | — |
| 2013 | 89° | 61° | 75° | 0.1" | — |
| 2012 | 80° | 49° | 64° | — | — |
| 2011 | 80° | 55° | 68° | — | — |
| 2010 | 86° | 65° | 75° | — | — |
| 2009coldest | 70° | 53° | 61° | — | — |
| 2008 | 77° | 65° | 71° | — | — |
| 2007 | 85° | 69° | 77° | 0.3" | — |
| 2006 | 85° | 57° | 71° | — | — |
| 2005 | 81° | 57° | 69° | — | — |
| 2004 | 81° | 47° | 64° | — | — |
| 2003 | 94° | 65° | 79° | — | — |
| 2002 | 88° | 69° | 78° | 3.51" | — |
| 2001 | 90° | 69° | 79° | 0.05" | — |
| 2000 | 87° | 68° | 78° | — | — |
| 1999 | 80° | 54° | 67° | — | — |
| 1998 | 93° | 70° | 81° | 0.05" | — |
| 1997 | 77° | 52° | 64° | — | — |
| 1996 | 89° | 71° | 80° | 0.03" | — |
| 1995 | 90° | 62° | 76° | — | — |
| 1994 | 83° | 53° | 68° | — | — |
| 1993 | 80° | 61° | 70° | — | — |
| 1992 | 84° | 51° | 68° | — | — |
| 1991 | 90° | 65° | 77° | — | — |
| 1990 | 72° | 66° | 69° | 0.13" | — |
| 1989 | 86° | 70° | 78° | — | — |
| 1988 | 79° | 60° | 69° | — | — |
| 1987 | 86° | 70° | 78° | — | — |
| 1985 | 79° | 52° | 65° | — | — |
| 1984 | 87° | 68° | 78° | — | — |
| 1983warmest | 95° | 71° | 83° | — | — |
| 1982 | 81° | 60° | 70° | — | — |
| 1981 | 81° | 56° | 68° | — | — |
| 1980 | 84° | 58° | 71° | — | — |
| 1979 | 84° | 68° | 76° | 1.24" | — |
| 1978 | 88° | 57° | 72° | 0.08" | — |
| 1977 | 79° | 50° | 64° | 0.05" | — |
| 1976 | 90° | 58° | 74° | — | — |
| 1975 | 93° | 68° | 81° | 1.7" | — |
| 1974 | 88° | 64° | 76° | — | — |
| 1973 | 78° | 55° | 67° | — | — |
| 1972 | 88° | 70° | 79° | 0.36" | — |
| 1971 | 94° | 62° | 78° | — | — |
54 years of data from WHEATON 3 SE