Weather on May 9
Chicago, IL
55 Years of Data
About This Date
May 9th in Chicago, IL typically brings mild spring weather, with average highs around 67°F and lows near 50°F. Over 54 years of records, the warmest May 9th was in 1979 (76°F average), while the coldest was 1974 (42°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 17% of May 9th dates historically, with the wettest May 9th recording 2.67" of rain. The last decade has been 7.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 7.6°F cooler on this date compared to 20-30 years ago.
Planning for May 9th in Chicago, IL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 74° | 49° | 61° | — | — |
| 2025 | 54° | 43° | 48° | — | — |
| 2024 | 59° | 51° | 55° | — | — |
| 2023 | 70° | 49° | 59° | — | — |
| 2022 | 77° | 48° | 63° | — | — |
| 2021 | 52° | 40° | 46° | — | — |
| 2020 | 59° | 31° | 45° | — | — |
| 2019 | 68° | 48° | 58° | — | — |
| 2018 | 82° | 56° | 69° | — | — |
| 2017 | 50° | 42° | 46° | — | — |
| 2016 | 53° | 48° | 51° | — | — |
| 2015 | 62° | 45° | 53° | — | — |
| 2014 | 73° | 59° | 66° | — | — |
| 2013 | 73° | 47° | 60° | — | — |
| 2012 | 61° | 50° | 55° | — | — |
| 2011 | 64° | 51° | 58° | — | — |
| 2010 | 56° | 44° | 50° | — | — |
| 2009 | 65° | 44° | 54° | — | — |
| 2008 | 54° | 46° | 50° | — | — |
| 2007 | 69° | 56° | 62° | — | — |
| 2006 | 73° | 60° | 67° | — | — |
| 2005 | 76° | 63° | 69° | 0.66" | — |
| 2004 | 88° | 54° | 71° | 0.61" | — |
| 2003 | 85° | 54° | 69° | 2.67" | — |
| 2002 | 67° | 49° | 58° | — | — |
| 2001 | 82° | 57° | 70° | — | — |
| 2000 | 67° | 52° | 59° | 1.8" | — |
| 1999 | 62° | 46° | 54° | — | — |
| 1998 | 66° | 51° | 59° | — | — |
| 1997 | 57° | 44° | 51° | — | — |
| 1994 | 71° | 55° | 63° | — | — |
| 1993 | 86° | 62° | 74° | — | — |
| 1992 | 68° | 52° | 60° | — | — |
| 1991 | 75° | 52° | 63° | — | — |
| 1990 | 82° | 62° | 72° | — | — |
| 1989 | 60° | 44° | 52° | 0.13" | — |
| 1988 | 84° | 55° | 70° | 0.41" | — |
| 1987 | 76° | 65° | 70° | — | — |
| 1986 | 64° | 47° | 55° | — | — |
| 1985 | 81° | 58° | 69° | — | — |
| 1984 | 52° | 43° | 47° | 0.05" | — |
| 1983 | 49° | 38° | 43° | 0.03" | — |
| 1982 | 78° | 48° | 63° | — | — |
| 1981 | 65° | 49° | 57° | — | — |
| 1980 | 55° | 42° | 49° | — | — |
| 1979warmest | 83° | 69° | 76° | — | — |
| 1978 | 71° | 49° | 60° | 0.05" | — |
| 1977 | 68° | 38° | 53° | — | — |
| 1976 | 76° | 52° | 64° | — | — |
| 1975 | 60° | 50° | 55° | — | — |
| 1974coldest | 44° | 40° | 42° | — | — |
| 1973 | 76° | 55° | 65° | — | — |
| 1972 | 53° | 43° | 48° | — | — |
| 1971 | 57° | 44° | 51° | — | — |
Chicago, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Chicago, IL Monthly Precipitation
Average rainfall per month, in inches.
Chicago, IL Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Chicago, IL
Chicago, IL has no months that meet our "pleasant" threshold — every season has tradeoffs.