Weather on May 1
Chicago, IL
55 Years of Data
Avg High
63°F
Avg Low
47°F
Warmest
2001
75°F avg
Coldest
1978
41°F avg
About This Date
May 1st in Chicago, IL typically brings mild spring weather, with average highs around 63°F and lows near 47°F. Over 53 years of records, the warmest May 1st was in 2001 (75°F average), while the coldest was 1978 (41°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 17% of May 1st dates historically, with the wettest May 1st recording 2.57" 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 May 1st in Chicago, IL? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 48° | 59° | — | — |
| 2024 | 75° | 55° | 65° | — | — |
| 2023 | 50° | 41° | 46° | 0.13" | — |
| 2022 | 58° | 50° | 54° | — | — |
| 2021 | — | 43° | — | — | — |
| 2020 | 58° | 43° | 50° | — | — |
| 2019 | 59° | 41° | 50° | — | — |
| 2018 | 83° | 59° | 71° | — | — |
| 2017 | 56° | 45° | 50° | — | — |
| 2016 | 47° | 42° | 44° | — | — |
| 2015 | 57° | 44° | 51° | — | — |
| 2014 | 49° | 42° | 45° | — | — |
| 2013 | 81° | 48° | 64° | — | — |
| 2012 | 60° | 51° | 56° | — | — |
| 2011 | 65° | 56° | 60° | — | — |
| 2010 | 72° | 63° | 67° | — | — |
| 2009 | 64° | 52° | 58° | — | — |
| 2008 | 74° | 50° | 62° | — | — |
| 2007 | 84° | 50° | 67° | — | — |
| 2006 | 60° | 55° | 58° | — | — |
| 2005 | 50° | 36° | 43° | — | — |
| 2004 | 48° | 43° | 45° | 0.15" | — |
| 2003 | 55° | 46° | 51° | 2.57" | — |
| 2002 | 62° | 45° | 53° | 0.13" | — |
| 2001warmest | 85° | 65° | 75° | — | — |
| 2000 | 65° | 49° | 57° | 0.81" | — |
| 1999 | 73° | 43° | 58° | — | — |
| 1998 | 68° | 52° | 60° | — | — |
| 1997 | 60° | 36° | 48° | — | — |
| 1994 | 52° | 35° | 43° | 0.51" | — |
| 1993 | 64° | 48° | 56° | — | — |
| 1992 | 87° | 41° | 64° | — | — |
| 1991 | 68° | 49° | 58° | 0.15" | — |
| 1990 | 64° | 48° | 56° | — | — |
| 1989 | 56° | 43° | 49° | — | — |
| 1988 | 61° | 43° | 52° | — | — |
| 1987 | 60° | 41° | 51° | — | — |
| 1986 | 66° | 54° | 60° | 0.08" | — |
| 1985 | 72° | 46° | 59° | — | — |
| 1984 | 58° | 43° | 50° | — | — |
| 1983 | 51° | 42° | 47° | — | — |
| 1982 | 65° | 47° | 56° | — | — |
| 1981 | 52° | 42° | 47° | 0.1" | — |
| 1980 | 61° | 41° | 51° | — | — |
| 1979 | 52° | 35° | 43° | — | — |
| 1978coldest | 45° | 37° | 41° | — | — |
| 1977 | 76° | 42° | 59° | — | — |
| 1976 | 62° | 51° | 57° | — | — |
| 1975 | 61° | 45° | 53° | — | — |
| 1974 | 56° | 43° | 49° | — | — |
| 1973 | 74° | 61° | 67° | — | — |
| 1972 | 72° | 48° | 60° | — | — |
| 1971 | 63° | 48° | 55° | — | — |
53 years of data from CHICAGO GRANT PARK