Weather on May 19
Naperville, IL
55 Years of Data
Avg High
74°F
Avg Low
49°F
Warmest
1996
81°F avg
Coldest
2002
47°F avg
About This Date
May 19th in Naperville, IL typically brings pleasant spring weather, with average highs around 74°F and lows near 49°F — a 25°F daily swing. Over 55 years of records, the warmest May 19th was in 1996 (81°F average), while the coldest was 2002 (47°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 19th dates historically, with the wettest May 19th recording 2.92" of rain. The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
Planning for May 19th in Naperville, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 41° | 54° | — | — |
| 2024 | 84° | 60° | 72° | — | — |
| 2023 | 75° | 47° | 61° | — | — |
| 2022 | 62° | 50° | 56° | 0.38" | — |
| 2021 | 74° | 59° | 66° | 0.28" | — |
| 2020 | 64° | 51° | 58° | 0.2" | — |
| 2019 | 81° | 45° | 63° | 1.78" | — |
| 2018 | 70° | 56° | 63° | 0.05" | — |
| 2017 | 78° | 42° | 60° | — | — |
| 2016 | 68° | 36° | 52° | — | — |
| 2015 | 78° | 46° | 62° | — | — |
| 2014 | 70° | 42° | 56° | — | — |
| 2013 | 81° | 55° | 68° | 0.08" | — |
| 2012 | 95° | 51° | 73° | — | — |
| 2011 | 62° | 44° | 53° | 0.08" | — |
| 2010 | 67° | 40° | 53° | — | — |
| 2009 | 66° | 40° | 53° | — | — |
| 2008 | 59° | 35° | 47° | — | — |
| 2007 | 73° | 39° | 56° | — | — |
| 2006 | 65° | 39° | 52° | 0.03" | — |
| 2005 | 79° | 57° | 68° | 2.08" | — |
| 2004 | 72° | 45° | 58° | 0.05" | — |
| 2003 | 71° | 58° | 64° | — | — |
| 2002coldest | 57° | 37° | 47° | — | — |
| 2001 | 79° | 47° | 63° | — | — |
| 2000 | 54° | 44° | 49° | 1.32" | — |
| 1999 | 77° | 44° | 61° | 0.15" | — |
| 1998 | 94° | 65° | 79° | — | — |
| 1997 | 78° | 57° | 68° | 1.8" | — |
| 1996warmest | 93° | 70° | 81° | — | — |
| 1995 | 77° | 39° | 58° | 0.51" | — |
| 1994 | 74° | 36° | 55° | — | — |
| 1993 | 65° | 37° | 51° | — | — |
| 1992 | 79° | 41° | 60° | — | — |
| 1991 | 65° | 49° | 57° | — | — |
| 1990 | 75° | 52° | 63° | — | — |
| 1989 | 75° | 63° | 69° | 0.1" | — |
| 1988 | 79° | 42° | 60° | — | — |
| 1987 | 85° | 59° | 72° | 2.92" | — |
| 1986 | 57° | 47° | 52° | 0.38" | — |
| 1985 | 80° | 42° | 61° | — | — |
| 1984 | 86° | 63° | 74° | — | — |
| 1983 | 68° | 57° | 63° | 1.55" | — |
| 1982 | 79° | 58° | 68° | — | — |
| 1981 | 66° | 45° | 55° | — | — |
| 1980 | 71° | 53° | 62° | — | — |
| 1979 | 73° | 51° | 62° | 0.13" | — |
| 1978 | 83° | 50° | 66° | — | — |
| 1977 | 92° | 62° | 77° | — | — |
| 1976 | 76° | 35° | 55° | — | — |
| 1975 | 93° | 62° | 78° | — | — |
| 1974 | 72° | 49° | 60° | — | — |
| 1973 | 65° | 49° | 57° | 0.3" | — |
| 1972 | 86° | 50° | 68° | — | — |
| 1971 | 84° | 65° | 74° | — | — |
55 years of data from WHEATON 3 SE