Weather on May 12
Chicago, IL
55 Years of Data
Avg High
66°F
Avg Low
51°F
Warmest
1985
76°F avg
Coldest
2006
43°F avg
About This Date
May 12th in Chicago, IL typically brings mild spring weather, with average highs around 66°F and lows near 51°F. Over 53 years of records, the warmest May 12th was in 1985 (76°F average), while the coldest was 2006 (43°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 32% of May 12th dates historically, with the wettest May 12th recording 1.42" of rain. The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
Planning for May 12th in Chicago, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 51° | 57° | — | — |
| 2024 | 83° | 53° | 68° | — | — |
| 2023 | 76° | 60° | 68° | 0.79" | — |
| 2022 | 76° | 61° | 68° | — | — |
| 2021 | 52° | 44° | 48° | — | — |
| 2020 | 56° | — | — | — | — |
| 2019 | 47° | 42° | 44° | — | — |
| 2018 | 48° | 43° | 45° | — | — |
| 2017 | 57° | 49° | 53° | — | — |
| 2016 | 69° | 51° | 60° | — | — |
| 2015 | 56° | 49° | 52° | — | — |
| 2014 | 84° | 58° | 71° | — | — |
| 2013 | 49° | 42° | 45° | — | — |
| 2012 | 70° | 53° | 61° | — | — |
| 2011 | 80° | 57° | 69° | — | — |
| 2010 | 52° | 46° | 49° | — | — |
| 2009 | 66° | 50° | 58° | — | — |
| 2008 | 50° | 45° | 47° | — | — |
| 2007 | 58° | 47° | 52° | — | — |
| 2006coldest | 48° | 38° | 43° | — | — |
| 2005 | 55° | 43° | 49° | 0.43" | — |
| 2004 | 85° | 67° | 76° | 1.42" | — |
| 2003 | 67° | 51° | 59° | — | — |
| 2002 | 57° | 46° | 52° | 0.15" | — |
| 2001 | 57° | 43° | 50° | 0.03" | — |
| 2000 | 86° | 62° | 74° | 0.99" | — |
| 1999 | 75° | 56° | 65° | 0.41" | — |
| 1998 | 80° | 52° | 66° | 0.18" | — |
| 1997 | 62° | 43° | 52° | — | — |
| 1994 | 78° | 46° | 62° | — | — |
| 1993 | 80° | 55° | 68° | — | — |
| 1992 | 85° | 66° | 75° | — | — |
| 1991 | 82° | 66° | 74° | — | — |
| 1990 | 57° | 48° | 53° | 1.02" | — |
| 1989 | 57° | 44° | 51° | — | — |
| 1988 | 76° | 53° | 64° | 0.18" | — |
| 1987 | 88° | 48° | 68° | 1.17" | — |
| 1986 | 72° | 53° | 62° | 0.08" | — |
| 1985warmest | 85° | 68° | 76° | 0.18" | — |
| 1984 | 71° | 53° | 62° | — | — |
| 1983 | 70° | 52° | 61° | — | — |
| 1982 | 83° | 55° | 69° | 0.18" | — |
| 1981 | 56° | 35° | 45° | — | — |
| 1980 | 59° | 49° | 54° | 0.53" | — |
| 1979 | 63° | 45° | 54° | 0.13" | — |
| 1978 | 74° | 60° | 67° | 1.24" | — |
| 1977 | 75° | 56° | 65° | — | — |
| 1976 | 51° | 43° | 47° | — | — |
| 1975 | 51° | 44° | 48° | — | — |
| 1974 | 55° | 50° | 53° | — | — |
| 1973 | 56° | 49° | 52° | — | — |
| 1972 | 70° | 52° | 61° | — | — |
| 1971 | 50° | 38° | 44° | — | — |
53 years of data from CHICAGO GRANT PARK