Weather on August 25
Naperville, IL
55 Years of Data
Avg High
84°F
Avg Low
61°F
Warmest
1991
83°F avg
Coldest
1977
61°F avg
About This Date
August 25th 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 25th was in 1991 (83°F average), while the coldest was 1977 (61°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 30% of August 25th dates historically, with the wettest August 25th recording 5.97" 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 August 25th 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 | 74° | 52° | 63° | — | — |
| 2024 | 90° | 66° | 78° | — | — |
| 2023 | 97° | 68° | 82° | — | — |
| 2022 | 85° | 61° | 73° | 0.43" | — |
| 2021 | 94° | 70° | 82° | 0.41" | — |
| 2020 | 94° | 62° | 78° | — | — |
| 2019 | 74° | 53° | 63° | — | — |
| 2018 | 72° | 61° | 66° | 0.64" | — |
| 2017 | 76° | 46° | 61° | — | — |
| 2016 | 84° | 70° | 77° | 1.17" | — |
| 2015 | 73° | 55° | 64° | — | — |
| 2014 | 89° | 70° | 79° | 0.05" | — |
| 2013 | 85° | 54° | 69° | — | — |
| 2012 | 94° | 60° | 77° | — | — |
| 2011 | 92° | 61° | 76° | — | — |
| 2010 | 84° | 57° | 71° | — | — |
| 2009 | 82° | 55° | 69° | 1.17" | — |
| 2008 | 74° | 52° | 63° | — | — |
| 2007 | 81° | 64° | 72° | 0.51" | — |
| 2006 | 83° | 66° | 74° | 0.05" | — |
| 2005 | 81° | 61° | 71° | — | — |
| 2004 | 78° | 66° | 72° | 2.21" | — |
| 2003 | 93° | 70° | 81° | — | — |
| 2002 | 85° | 61° | 73° | — | — |
| 2001 | 82° | 69° | 76° | 1.07" | — |
| 2000 | 88° | 56° | 72° | — | — |
| 1999 | 73° | 65° | 69° | 3.02" | — |
| 1998 | 87° | 69° | 78° | 1.42" | — |
| 1997 | 82° | 60° | 71° | — | — |
| 1996 | 86° | 51° | 69° | — | — |
| 1995 | 90° | 70° | 80° | — | — |
| 1994 | 89° | 65° | 77° | — | — |
| 1993 | 92° | 65° | 78° | — | — |
| 1992 | 92° | 68° | 80° | — | — |
| 1991warmest | 98° | 68° | 83° | — | — |
| 1990 | 86° | 67° | 76° | — | — |
| 1989 | 80° | 61° | 70° | — | — |
| 1988 | 82° | 58° | 70° | — | — |
| 1987 | 73° | 56° | 64° | — | — |
| 1985 | 82° | 55° | 69° | 0.81" | — |
| 1984 | 81° | 53° | 67° | — | — |
| 1983 | 89° | 68° | 79° | — | — |
| 1982 | 79° | 54° | 66° | 0.13" | — |
| 1981 | 85° | 60° | 72° | 1.17" | — |
| 1980 | 86° | 54° | 70° | — | — |
| 1979 | 81° | 54° | 67° | — | — |
| 1978 | 83° | 67° | 75° | — | — |
| 1977coldest | 79° | 44° | 61° | — | — |
| 1976 | 85° | 63° | 74° | — | — |
| 1975 | 91° | 67° | 79° | — | — |
| 1974 | 81° | 49° | 65° | — | — |
| 1973 | 87° | 63° | 75° | — | — |
| 1972 | 83° | 62° | 72° | — | — |
| 1971 | 90° | 57° | 73° | 5.97" | — |
54 years of data from WHEATON 3 SE