Weather on May 11
Joliet, IL
55 Years of Data
About This Date
May 11th in Joliet, IL typically brings pleasant spring weather, with average highs around 72°F and lows near 49°F. Over 54 years of records, the warmest May 11th was in 2022 (77°F average), while the coldest was 1981 (40°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 33% of May 11th dates historically, with the wettest May 11th recording 1.66" of rain. The last decade has been 4.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.7°F cooler on this date compared to 20-30 years ago.
Planning for May 11th in Joliet, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 63° | 40° | 52° | — | — |
| 2025 | 77° | 45° | 61° | — | — |
| 2024 | 60° | 47° | 53° | — | — |
| 2023 | 78° | 49° | 63° | — | — |
| 2022warmest | 88° | 67° | 77° | — | — |
| 2021 | 56° | 33° | 44° | 0.02" | — |
| 2020 | 51° | 37° | 44° | 0.1" | — |
| 2019 | 72° | 44° | 58° | 0.12" | — |
| 2018 | 76° | 48° | 62° | 0.06" | — |
| 2017 | 70° | 51° | 60° | 0.96" | — |
| 2016 | 67° | 56° | 61° | 0.77" | — |
| 2015 | 67° | 49° | 58° | 0.02" | — |
| 2014 | 76° | 50° | 63° | — | — |
| 2013 | 50° | 46° | 48° | — | — |
| 2012 | 67° | 44° | 55° | — | — |
| 2011 | 90° | 63° | 76° | — | — |
| 2010 | 60° | 42° | 51° | — | — |
| 2009 | 67° | 42° | 54° | — | — |
| 2008 | 65° | 43° | 54° | 0.47" | — |
| 2007 | 84° | 58° | 71° | — | — |
| 2006 | 71° | 51° | 61° | 0.15" | — |
| 2005 | 85° | 62° | 73° | — | — |
| 2004 | 85° | 60° | 72° | 0.03" | — |
| 2003 | 77° | 50° | 64° | 0.25" | — |
| 2002 | 55° | 53° | 54° | — | — |
| 2001 | 85° | 61° | 73° | 0.33" | — |
| 2000 | 70° | 47° | 58° | — | — |
| 1999 | 81° | 50° | 65° | — | — |
| 1998 | 69° | 47° | 58° | — | — |
| 1997 | 65° | 42° | 53° | — | — |
| 1996 | 68° | 39° | 54° | — | — |
| 1995 | 64° | 50° | 57° | 0.37" | — |
| 1994 | 72° | 46° | 59° | — | — |
| 1993 | 87° | 63° | 75° | — | — |
| 1992 | 86° | 54° | 70° | — | — |
| 1991 | 85° | 63° | 74° | — | — |
| 1990 | 58° | 38° | 48° | 0.05" | — |
| 1989 | 65° | 41° | 53° | — | — |
| 1988 | 77° | 50° | 64° | 0.05" | — |
| 1987 | 89° | 63° | 76° | — | — |
| 1986 | 82° | 49° | 65° | — | — |
| 1985 | 84° | 57° | 71° | — | — |
| 1984 | 68° | 42° | 55° | — | — |
| 1983 | 75° | 41° | 58° | — | — |
| 1981coldest | 42° | 38° | 40° | 1.66" | — |
| 1980 | 75° | 49° | 62° | — | — |
| 1979 | 87° | 62° | 75° | 0.14" | — |
| 1978 | 74° | 43° | 58° | 0.25" | — |
| 1977 | 67° | 42° | 54° | — | — |
| 1976 | 76° | 47° | 61° | — | — |
| 1974 | 68° | 43° | 55° | — | — |
| 1973 | 72° | 49° | 60° | — | — |
| 1972 | 72° | 38° | 55° | — | — |
| 1971 | 75° | 55° | 65° | — | — |
Joliet, IL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Joliet, IL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Joliet, 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 Joliet, IL
Most pleasant months in Joliet, IL: May, June, August, September.
What to expect on May 11th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
May 11th outlook →