All-time weather records — Westport, SD
Record high
°F
January 1,
Record low
°F
January 1,
Wettest day
4.85 in
August 6, 2015
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | — | — | 0.55 in — Jan 8, 1992 |
| February | — | — | 0.78 in — Feb 18, 1991 |
| March | — | — | 1.00 in — Mar 21, 2008 |
| April | — | — | 1.74 in — Apr 23, 2022 |
| May | — | — | 4.54 in — May 6, 2007 |
| June | — | — | 3.12 in — Jun 22, 2011 |
| July | — | — | 3.04 in — Jul 17, 1993 |
| August | — | — | 4.85 in — Aug 6, 2015 |
| September | — | — | 2.54 in — Sep 9, 2009 |
| October | — | — | 1.68 in — Oct 15, 2013 |
| November | — | — | 1.25 in — Nov 29, 1991 |
| December | — | — | 1.65 in — Dec 26, 2023 |
Click a month to see every daily record for that month in Westport.