All-time weather records — Salem, MA
Climate change signal in Salem
of Salem's all-time daily heat records were set in the last decade (79 of 366 records since 2015).
of all-time daily cold records were set in the last decade (147 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 | # |
|---|---|---|---|---|
| 1980s | 41 | 91 | ||
| 1990s | 107 | 62 | ||
| 2000s | 96 | 51 | ||
| 2010s | 74 | 91 | ||
| 2020s | 48 | 71 |
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 1984, the latest in 2026. Period of observation: 1984-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 71.1°F — Jan 7, 2007 | -99.0°F — Jan 13, 2023 | 4.00 in — Jan 1, 1995 |
| February | 72.0°F — Feb 22, 2018 | -20.0°F — Feb 4, 2023 | 2.87 in — Feb 13, 1993 |
| March | 91.0°F — Mar 31, 1998 | 1.9°F — Mar 4, 1994 | 3.98 in — Mar 22, 2001 |
| April | 93.9°F — Apr 17, 2002 | 18.0°F — Apr 5, 1995 | 4.90 in — Apr 2, 2004 |
| May | 97.0°F — May 4, 2001 | -99.0°F — May 1, 2023 | 5.58 in — May 14, 2006 |
| June | 100.9°F — Jun 25, 2025 | 35.1°F — Jun 1, 2020 | 3.13 in — Jun 8, 2013 |
| July | 100.9°F — Jul 23, 2011 | 45.0°F — Jul 1, 1988 | 3.04 in — Jul 25, 1990 |
| August | 97.0°F — Aug 9, 2022 | 42.1°F — Aug 29, 2019 | 3.11 in — Aug 11, 1990 |
| September | 97.0°F — Sep 9, 2015 | 23.0°F — Sep 24, 2020 | 4.32 in — Sep 2, 2021 |
| October | 84.0°F — Oct 3, 2002 | 12.9°F — Oct 31, 2020 | 4.14 in — Oct 23, 2014 |
| November | 80.1°F — Nov 7, 2024 | -99.0°F — Nov 1, 2022 | 4.68 in — Nov 15, 1995 |
| December | 77.0°F — Dec 7, 1998 | -99.0°F — Dec 24, 2022 | 3.20 in — Dec 12, 1992 |
Click a month to see every daily record for that month in Salem.