Weather on August 13
Naperville, IL
55 Years of Data
Avg High
84°F
Avg Low
61°F
Warmest
1995
88°F avg
Coldest
2014
60°F avg
About This Date
August 13th 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 13th was in 1995 (88°F average), while the coldest was 2014 (60°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 30% of August 13th dates historically, with the wettest August 13th recording 5.18" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for August 13th in Naperville, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 66° | 75° | 1.98" | — |
| 2024 | 80° | 54° | 67° | — | — |
| 2023 | 84° | 57° | 71° | — | — |
| 2022 | 77° | 59° | 68° | — | — |
| 2021 | 84° | 69° | 77° | — | — |
| 2020 | 86° | 59° | 73° | — | — |
| 2019 | 82° | 69° | 76° | 1.52" | — |
| 2018 | 87° | 58° | 72° | — | — |
| 2017 | 77° | 51° | 64° | — | — |
| 2016 | 80° | 73° | 77° | 5.18" | — |
| 2015 | 82° | 59° | 71° | — | — |
| 2014coldest | 69° | 52° | 60° | — | — |
| 2013 | 83° | 58° | 70° | 0.13" | — |
| 2012 | 75° | 55° | 65° | 0.23" | — |
| 2011 | 82° | 55° | 69° | — | — |
| 2010 | 93° | 68° | 81° | — | — |
| 2009 | 86° | 58° | 72° | — | — |
| 2008 | 69° | 55° | 62° | — | — |
| 2007 | 89° | 66° | 78° | — | — |
| 2006 | 82° | 54° | 68° | — | — |
| 2005 | 83° | 68° | 75° | 0.05" | — |
| 2004 | 73° | 50° | 62° | — | — |
| 2003 | 81° | 62° | 71° | — | — |
| 2002 | 91° | 67° | 79° | 0.97" | — |
| 2001 | 87° | 65° | 76° | 0.3" | — |
| 2000 | 86° | 67° | 76° | — | — |
| 1999 | 80° | 72° | 76° | 0.91" | — |
| 1998 | 85° | 59° | 72° | — | — |
| 1997 | 80° | 61° | 70° | 0.2" | — |
| 1996 | 86° | 61° | 73° | — | — |
| 1995warmest | 98° | 78° | 88° | — | — |
| 1994 | 81° | 67° | 74° | 1.6" | — |
| 1993 | 89° | 68° | 79° | — | — |
| 1992 | 71° | 53° | 62° | 0.53" | — |
| 1991 | 86° | 55° | 71° | — | — |
| 1990 | 74° | — | — | 0.84" | — |
| 1989 | 90° | 54° | 72° | 4.32" | — |
| 1988 | 95° | 78° | 87° | — | — |
| 1987 | 90° | 63° | 76° | — | — |
| 1985 | 81° | 70° | 75° | 1.12" | — |
| 1984 | 87° | 52° | 69° | — | — |
| 1983 | 85° | 51° | 68° | — | — |
| 1982 | 81° | 52° | 66° | — | — |
| 1981 | 84° | 65° | 74° | 0.05" | — |
| 1980 | 78° | 56° | 67° | — | — |
| 1979 | 76° | 60° | 68° | — | — |
| 1978 | 89° | 61° | 75° | — | — |
| 1977 | 83° | — | — | — | — |
| 1976 | 89° | 63° | 76° | — | — |
| 1975 | 90° | 70° | 80° | — | — |
| 1974 | 86° | 66° | 76° | — | — |
| 1973 | 86° | 55° | 71° | — | — |
| 1972 | 89° | 63° | 76° | — | — |
| 1971 | 92° | 59° | 75° | — | — |
54 years of data from LISLE - MORTON ARBORETUM