Weather on May 11
Naperville, IL
55 Years of Data
Avg High
73°F
Avg Low
47°F
Warmest
2022
79°F avg
Coldest
2020
42°F avg
About This Date
May 11th in Naperville, IL typically brings pleasant spring weather, with average highs around 73°F and lows near 47°F — a 26°F daily swing. Over 55 years of records, the warmest May 11th was in 2022 (79°F average), while the coldest was 2020 (42°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 11th dates historically, with the wettest May 11th recording 4.65" of rain. The last decade has been 4.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.6°F cooler on this date compared to 20-30 years ago.
Planning for May 11th in Naperville, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 46° | 60° | — | — |
| 2024 | 66° | 45° | 55° | 0.13" | — |
| 2023 | 79° | 44° | 61° | — | — |
| 2022warmest | 89° | 69° | 79° | — | — |
| 2021 | 55° | 31° | 43° | 0.05" | — |
| 2020coldest | 49° | 36° | 42° | — | — |
| 2019 | 59° | 39° | 49° | — | — |
| 2018 | 76° | 46° | 61° | 0.25" | — |
| 2017 | 71° | 49° | 60° | 3.94" | — |
| 2016 | 68° | 55° | 62° | 1.37" | — |
| 2015 | 63° | 47° | 55° | 0.28" | — |
| 2014 | 77° | 46° | 62° | — | — |
| 2013 | 49° | 44° | 46° | 0.05" | — |
| 2012 | 68° | 38° | 53° | — | — |
| 2011 | 91° | 57° | 74° | — | — |
| 2010 | 59° | 41° | 50° | 1.91" | — |
| 2009 | 68° | 41° | 55° | — | — |
| 2008 | 65° | 42° | 53° | 4.65" | — |
| 2007 | 83° | 55° | 69° | — | — |
| 2006 | 71° | 47° | 59° | 0.48" | — |
| 2005 | 84° | 49° | 66° | 0.89" | — |
| 2004 | 82° | 54° | 68° | 0.25" | — |
| 2003 | 79° | 49° | 64° | 1.17" | — |
| 2002 | 69° | 44° | 57° | — | — |
| 2001 | 82° | 49° | 65° | 1.73" | — |
| 2000 | 72° | 53° | 62° | — | — |
| 1999 | 84° | 54° | 69° | — | — |
| 1998 | 78° | 43° | 60° | — | — |
| 1997 | 76° | 43° | 59° | — | — |
| 1996 | 58° | 38° | 48° | 0.56" | — |
| 1995 | 68° | 49° | 58° | 0.99" | — |
| 1994 | 75° | 50° | 63° | — | — |
| 1993 | 89° | 57° | 73° | — | — |
| 1992 | 85° | 53° | 69° | — | — |
| 1991 | 88° | 51° | 69° | — | — |
| 1990 | 63° | 34° | 48° | 0.2" | — |
| 1989 | 64° | 36° | 50° | — | — |
| 1988 | 76° | 44° | 60° | — | — |
| 1987 | 89° | 62° | 76° | — | — |
| 1986 | 80° | 50° | 65° | — | — |
| 1985 | 85° | 62° | 73° | — | — |
| 1984 | 72° | 50° | 61° | 0.03" | — |
| 1983 | 78° | 38° | 58° | — | — |
| 1982 | 87° | 60° | 74° | — | — |
| 1981 | 55° | 37° | 46° | 2.57" | — |
| 1980 | 71° | 49° | 60° | — | — |
| 1979 | 74° | 46° | 60° | 1.32" | — |
| 1978 | 74° | 56° | 65° | 0.05" | — |
| 1977 | 77° | 36° | 56° | — | — |
| 1976 | 77° | 45° | 61° | — | — |
| 1975 | 78° | 41° | 60° | — | — |
| 1974 | 64° | 51° | 58° | 1.27" | — |
| 1973 | 70° | 48° | 59° | — | — |
| 1972 | 71° | 34° | 52° | — | — |
| 1971 | 75° | 52° | 63° | — | — |
55 years of data from LISLE - MORTON ARBORETUM