All-time weather records — Washington, IL
Record high
°F
January 1,
Record low
°F
January 1,
Wettest day
4.91 in
July 16, 2020
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | — | — | 2.90 in — Jan 8, 2008 |
| February | — | — | 1.43 in — Feb 21, 2018 |
| March | — | — | 2.18 in — Mar 31, 2022 |
| April | — | — | 2.91 in — Apr 30, 2017 |
| May | — | — | 3.07 in — May 30, 2018 |
| June | — | — | 3.13 in — Jun 8, 2015 |
| July | — | — | 4.91 in — Jul 16, 2020 |
| August | — | — | 3.62 in — Aug 5, 2014 |
| September | — | — | 3.86 in — Sep 14, 2008 |
| October | — | — | 2.65 in — Oct 25, 2021 |
| November | — | — | 2.40 in — Nov 18, 2003 |
| December | — | — | 1.96 in — Dec 15, 2011 |
Click a month to see every daily record for that month in Washington.