All-time weather records — Hecla, SD
Record high
°F
January 1,
Record low
°F
January 1,
Wettest day
4.96 in
May 6, 2007
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | — | — | 0.71 in — Jan 11, 2011 |
| February | — | — | 0.63 in — Feb 27, 2009 |
| March | — | — | 1.27 in — Mar 23, 2011 |
| April | — | — | 2.21 in — Apr 23, 2022 |
| May | — | — | 4.96 in — May 6, 2007 |
| June | — | — | 3.90 in — Jun 29, 2005 |
| July | — | — | 3.02 in — Jul 25, 2020 |
| August | — | — | 3.20 in — Aug 14, 2025 |
| September | — | — | 2.73 in — Sep 20, 2017 |
| October | — | — | 2.74 in — Oct 26, 2016 |
| November | — | — | 1.01 in — Nov 19, 2024 |
| December | — | — | 1.30 in — Dec 27, 2009 |
Click a month to see every daily record for that month in Hecla.