Weather on April 1
Naperville, IL
55 Years of Data
Avg High
57°F
Avg Low
34°F
Warmest
1981
65°F avg
Coldest
2019
31°F avg
About This Date
April 1st in Naperville, IL typically brings cool spring weather, with average highs around 57°F and lows near 34°F. Over 56 years of records, the warmest April 1st was in 1981 (65°F average), while the coldest was 2019 (31°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 38% of April 1st dates historically, with the wettest April 1st recording 2.92" of rain. The last decade has been 7.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 7.0°F cooler on this date compared to 20-30 years ago.
Planning for April 1st in Naperville, IL? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 68° | 36° | 52° | 0.23" | — |
| 2025 | 46° | 26° | 36° | — | — |
| 2024 | 55° | 36° | 45° | 1.17" | — |
| 2023 | 67° | 33° | 50° | 0.46" | — |
| 2022 | 38° | 30° | 34° | 0.23" | — |
| 2021 | 44° | 24° | 34° | — | — |
| 2020 | 42° | 37° | 40° | — | — |
| 2019coldest | 40° | 23° | 31° | — | — |
| 2018 | 58° | 27° | 42° | — | — |
| 2017 | 43° | 29° | 36° | — | — |
| 2016 | 67° | 36° | 51° | 1.52" | — |
| 2015 | 63° | 31° | 47° | — | — |
| 2014 | 64° | 32° | 48° | 0.08" | — |
| 2013 | 59° | 24° | 42° | — | — |
| 2012 | 51° | 37° | 44° | — | — |
| 2011 | 50° | 19° | 35° | — | — |
| 2010 | 78° | 52° | 65° | — | — |
| 2009 | 53° | 37° | 45° | 1.27" | — |
| 2008 | 61° | 38° | 49° | 1.02" | — |
| 2007 | 64° | 50° | 57° | 1.52" | — |
| 2006 | 58° | 44° | 51° | 0.15" | — |
| 2005 | 60° | 33° | 47° | — | — |
| 2004 | 52° | 33° | 42° | — | — |
| 2003 | 82° | 46° | 64° | 0.13" | — |
| 2002 | 47° | 24° | 35° | 0.15" | — |
| 2001 | 59° | 29° | 44° | 0.18" | — |
| 2000 | 65° | 38° | 51° | — | — |
| 1999 | 70° | 53° | 61° | — | — |
| 1998 | 57° | 37° | 47° | 1.42" | — |
| 1997 | 66° | 30° | 48° | — | — |
| 1996 | 54° | 29° | 41° | 0.2" | — |
| 1995 | 47° | 27° | 37° | — | — |
| 1994 | 68° | 32° | 50° | — | — |
| 1993 | 43° | 29° | 36° | 2.92" | — |
| 1992 | 49° | 30° | 39° | 0.13" | — |
| 1991 | 54° | 29° | 41° | — | — |
| 1990 | 58° | 44° | 51° | — | — |
| 1989 | 48° | 22° | 35° | — | — |
| 1988 | 52° | 38° | 45° | — | — |
| 1987 | 42° | 25° | 33° | — | — |
| 1986 | 82° | 49° | 65° | — | — |
| 1985 | 46° | 30° | 38° | 0.08" | — |
| 1984 | 57° | 20° | 38° | — | — |
| 1983 | 48° | 39° | 44° | 0.15" | — |
| 1982 | 65° | 33° | 49° | — | — |
| 1981warmest | 83° | 48° | 65° | — | — |
| 1980 | 52° | 28° | 40° | — | — |
| 1979 | 38° | 32° | 35° | — | — |
| 1978 | 70° | 42° | 56° | — | — |
| 1977 | 59° | 33° | 46° | — | — |
| 1976 | 40° | 34° | 37° | 0.38" | — |
| 1975 | 60° | 30° | 45° | — | — |
| 1974 | 72° | 38° | 55° | — | — |
| 1973 | 50° | 43° | 46° | 1.17" | — |
| 1972 | 42° | 29° | 35° | — | — |
| 1971 | 70° | 35° | 52° | — | — |
56 years of data from LISLE - MORTON ARBORETUM