Weather on March 20
Chicago, IL
55 Years of Data
About This Date
March 20th in Chicago, IL typically brings chilly spring weather, with average highs around 48°F and lows near 33°F. Over 53 years of records, the warmest March 20th was in 2012 (69°F average), while the coldest was 2013 (21°F) — a 48°F range across recorded history. Precipitation has occurred on 25% of recorded March 20th dates, with snow falling 4% of the time (heaviest snowfall: 2"). The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for March 20th in Chicago, IL? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 67° | 40° | 53° | — | — |
| 2025 | 41° | 31° | 36° | — | — |
| 2024 | 44° | 30° | 37° | — | — |
| 2023 | 50° | 29° | 39° | — | — |
| 2022 | 52° | 38° | 45° | — | — |
| 2021 | 47° | 32° | 39° | — | — |
| 2020 | 63° | 29° | 46° | — | — |
| 2019 | 45° | 40° | 42° | 0.2" | — |
| 2018 | 35° | 28° | 32° | — | — |
| 2017 | 50° | 38° | 44° | — | — |
| 2016 | 41° | 34° | 37° | — | — |
| 2015 | 50° | 39° | 45° | — | — |
| 2014 | 43° | 31° | 37° | — | — |
| 2013coldest | 27° | 16° | 21° | — | — |
| 2012warmest | 83° | 55° | 69° | — | — |
| 2011 | 62° | — | — | — | — |
| 2010 | 39° | 33° | 36° | — | — |
| 2009 | 38° | 29° | 33° | — | — |
| 2008 | 42° | 34° | 38° | — | — |
| 2007 | 43° | 31° | 37° | — | — |
| 2006 | 35° | 32° | 34° | — | — |
| 2005 | 42° | 29° | 35° | — | — |
| 2004 | 63° | 33° | 48° | 0.08" | — |
| 2003 | 65° | 44° | 54° | 0.71" | — |
| 2002 | 46° | 35° | 41° | 0.05" | — |
| 2001 | 50° | 33° | 42° | — | — |
| 2000 | 56° | 44° | 50° | 0.64" | — |
| 1999 | 55° | 28° | 42° | — | — |
| 1998 | 36° | 32° | 34° | — | — |
| 1994 | 48° | 36° | 42° | — | — |
| 1993 | 38° | 31° | 34° | 0.48" | — |
| 1992 | 40° | 32° | 36° | — | — |
| 1991 | 59° | 40° | 49° | — | — |
| 1990 | 42° | 24° | 33° | — | — |
| 1989 | 39° | 33° | 36° | 0.23" | 0.1" |
| 1988 | 44° | 25° | 34° | — | — |
| 1987 | 49° | 34° | 41° | — | — |
| 1986 | 40° | 11° | 25° | 0.33" | 2" |
| 1985 | 63° | 40° | 51° | — | — |
| 1984 | 44° | 32° | 38° | 1.52" | — |
| 1983 | 37° | 30° | 34° | — | — |
| 1982 | 40° | 34° | 37° | 1.4" | — |
| 1981 | 40° | 27° | 33° | 0.05" | — |
| 1980 | 57° | 41° | 49° | — | — |
| 1979 | 64° | 41° | 53° | 0.36" | — |
| 1978 | 49° | 34° | 41° | — | — |
| 1977 | 41° | 32° | 37° | 1.17" | — |
| 1976 | 67° | 48° | 57° | — | — |
| 1975 | 48° | 38° | 43° | — | — |
| 1974 | 35° | 30° | 33° | — | — |
| 1973 | 39° | 36° | 37° | — | — |
| 1972 | 69° | 37° | 53° | — | — |
| 1971 | 40° | 26° | 33° | — | — |
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.