All-time weather records — Shelton, WA
Climate change signal in Shelton
of Shelton's all-time daily heat records were set in the last decade (181 of 366 records since 2015).
of all-time daily cold records were set in the last decade (122 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 | # |
|---|---|---|---|---|
| 1990s | 21 | 23 | ||
| 2000s | 123 | 134 | ||
| 2010s | 138 | 134 | ||
| 2020s | 84 | 75 |
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 1998, the latest in 2026. Period of observation: 1998-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 61.0°F — Jan 19, 2005 | 8.1°F — Jan 4, 2004 | 5.45 in — Jan 7, 2009 |
| February | 64.9°F — Feb 13, 2015 | 9.1°F — Feb 7, 2014 | 4.23 in — Feb 28, 2022 |
| March | 80.1°F — Mar 20, 2019 | 16.2°F — Mar 5, 2019 | 2.94 in — Mar 9, 2016 |
| April | 87.1°F — Apr 18, 2016 | 23.2°F — Apr 13, 2020 | 2.10 in — Apr 12, 2009 |
| May | 91.0°F — May 13, 2023 | 28.0°F — May 2, 2006 | 1.45 in — May 5, 2009 |
| June | 109.9°F — Jun 28, 2021 | 33.1°F — Jun 5, 2023 | 1.70 in — Jun 12, 2000 |
| July | 104.0°F — Jul 29, 2009 | 37.9°F — Jul 1, 2009 | 0.86 in — Jul 21, 2007 |
| August | 100.9°F — Aug 11, 2014 | 37.9°F — Aug 20, 2010 | 2.20 in — Aug 22, 2001 |
| September | 97.0°F — Sep 5, 2024 | 31.1°F — Sep 30, 2023 | 2.75 in — Sep 26, 2011 |
| October | 87.1°F — Oct 16, 2022 | 1.2°F — Oct 2, 2019 | 7.20 in — Oct 20, 2003 |
| November | 95.0°F — Nov 6, 2000 | 9.0°F — Nov 24, 2010 | 4.52 in — Nov 6, 2006 |
| December | 72.0°F — Dec 1, 2000 | 6.1°F — Dec 9, 2009 | 5.06 in — Dec 3, 2007 |
Click a month to see every daily record for that month in Shelton.