All-time weather records — Salem, SD
Climate change signal in Salem
of Salem's all-time daily heat records were set in the last decade (238 of 366 records since 2015).
of all-time daily cold records were set in the last decade (196 of 366 records since 2015).
If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:
| Decade | Heat records set | # | Cold records set | # |
|---|---|---|---|---|
| 2000s | 12 | 48 | ||
| 2010s | 195 | 200 | ||
| 2020s | 159 | 118 |
Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 2008, the latest in 2026. Period of observation: 2007-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 61.0°F — Jan 5, 2012 | -32.1°F — Jan 15, 2009 | 0.98 in — Jan 4, 2023 |
| February | 66.9°F — Feb 21, 2017 | -27.9°F — Feb 13, 2025 | 0.82 in — Feb 28, 2012 |
| March | 87.1°F — Mar 20, 2026 | -25.1°F — Mar 3, 2019 | 2.00 in — Mar 13, 2019 |
| April | 91.9°F — Apr 1, 2012 | 0.0°F — Apr 4, 2018 | 2.18 in — Apr 25, 2008 |
| May | 99.0°F — May 28, 2018 | 19.0°F — May 3, 2013 | 3.43 in — May 26, 2013 |
| June | 100.9°F — Jun 22, 2025 | 39.9°F — Jun 1, 2022 | 4.35 in — Jun 21, 2024 |
| July | 102.0°F — Jul 24, 2012 | 43.0°F — Jul 28, 2013 | 2.82 in — Jul 6, 2015 |
| August | 105.1°F — Aug 3, 2022 | 39.9°F — Aug 24, 2015 | 2.06 in — Aug 6, 2023 |
| September | 100.0°F — Sep 3, 2023 | 27.0°F — Sep 22, 2012 | 3.80 in — Sep 10, 2019 |
| October | 91.9°F — Oct 2, 2023 | 5.0°F — Oct 27, 2020 | 2.18 in — Oct 7, 2008 |
| November | 81.0°F — Nov 6, 2020 | -9.0°F — Nov 16, 2014 | 1.90 in — Nov 19, 2024 |
| December | 61.0°F — Dec 2, 2021 | -29.9°F — Dec 18, 2016 | 0.78 in — Dec 15, 2014 |
Click a month to see every daily record for that month in Salem.