Weather on June 21
Chicago, IL
55 Years of Data
About This Date
June 21st in Chicago, IL typically brings warm summer weather, with average highs around 81°F and lows near 64°F. Over 53 years of records, the warmest June 21st was in 1988 (89°F average), while the coldest was 1992 (52°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 15% of June 21st dates historically, with the wettest June 21st recording 0.97" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for June 21st in Chicago, IL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 76° | 84° | — | — |
| 2024 | 90° | 64° | 77° | — | — |
| 2023 | 88° | 67° | 77° | — | — |
| 2022 | 97° | 74° | 85° | — | — |
| 2021 | 72° | 57° | 64° | — | — |
| 2020 | 76° | 66° | 71° | — | — |
| 2019 | 67° | 56° | 61° | — | — |
| 2018 | 64° | 59° | 62° | — | — |
| 2017 | 71° | 58° | 64° | — | — |
| 2016 | 77° | 68° | 73° | — | — |
| 2015 | 82° | 69° | 76° | — | — |
| 2014 | 77° | 58° | 67° | — | — |
| 2013 | 84° | 67° | 75° | — | — |
| 2012 | 84° | 67° | 75° | — | — |
| 2011 | 89° | 71° | 80° | — | — |
| 2010 | 86° | 67° | 76° | — | — |
| 2009 | 80° | 67° | 73° | — | — |
| 2008 | 83° | 62° | 72° | — | — |
| 2007 | 81° | 65° | 73° | — | — |
| 2006 | 89° | 75° | 82° | — | — |
| 2005 | 84° | 67° | 75° | — | — |
| 2004 | 70° | 61° | 65° | 0.97" | — |
| 2003 | 79° | 52° | 65° | — | — |
| 2002 | 89° | 75° | 82° | — | — |
| 2001 | 68° | 58° | 63° | 0.86" | — |
| 2000 | 81° | 69° | 75° | — | — |
| 1999 | 84° | 68° | 76° | — | — |
| 1998 | 88° | 70° | 79° | — | — |
| 1997 | 84° | 70° | 77° | — | — |
| 1994 | 89° | 75° | 82° | — | — |
| 1993 | 81° | 64° | 72° | — | — |
| 1992coldest | 58° | 47° | 52° | — | — |
| 1991 | 91° | 69° | 80° | — | — |
| 1990 | 84° | 64° | 74° | — | — |
| 1989 | 76° | 60° | 68° | — | — |
| 1988warmest | 103° | 76° | 89° | 0.25" | — |
| 1987 | 82° | 71° | 77° | 0.48" | — |
| 1986 | 90° | 63° | 76° | — | — |
| 1985 | 82° | 62° | 72° | 0.15" | — |
| 1984 | 79° | 59° | 69° | — | — |
| 1983 | 82° | 67° | 74° | 0.15" | — |
| 1982 | 76° | 55° | 65° | — | — |
| 1981 | 83° | 62° | 72° | — | — |
| 1980 | 79° | 57° | 68° | — | — |
| 1979 | 88° | 69° | 78° | 0.41" | — |
| 1978 | 84° | 60° | 72° | 0.58" | — |
| 1977 | 80° | 55° | 68° | — | — |
| 1976 | 68° | 61° | 64° | — | — |
| 1975 | 88° | 68° | 78° | — | — |
| 1974 | 82° | 62° | 72° | — | — |
| 1973 | 80° | 66° | 73° | — | — |
| 1972 | 58° | 49° | 53° | — | — |
| 1971 | 71° | 59° | 65° | — | — |
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.