All-time weather records — Plymouth, IL
Record high
°F
January 1,
Record low
°F
January 1,
Wettest day
8.00 in
August 23, 2001
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | — | — | 2.25 in — Jan 8, 2008 |
| February | — | — | 3.18 in — Feb 21, 1997 |
| March | — | — | 1.82 in — Mar 18, 2021 |
| April | — | — | 7.93 in — Apr 18, 2013 |
| May | — | — | 4.61 in — May 17, 1995 |
| June | — | — | 2.75 in — Jun 22, 2010 |
| July | — | — | 3.89 in — Jul 12, 2021 |
| August | — | — | 8.00 in — Aug 23, 2001 |
| September | — | — | 4.43 in — Sep 10, 2014 |
| October | — | — | 2.78 in — Oct 14, 2012 |
| November | — | — | 2.41 in — Nov 30, 2006 |
| December | — | — | 2.53 in — Dec 1, 2006 |
Click a month to see every daily record for that month in Plymouth.