All-time weather records — Mossyrock, WA
Climate change signal in Mossyrock
of Mossyrock's all-time daily heat records were set in the last decade (309 of 366 records since 2015).
of all-time daily cold records were set in the last decade (185 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 | 5 | 9 | ||
| 1990s | · | · | ||
| 2000s | · | · | ||
| 2010s | 187 | 275 | ||
| 2020s | 174 | 82 |
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 1980, the latest in 2026. Period of observation: 1980-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 62.1°F — Jan 16, 2018 | 15.1°F — Jan 15, 2024 | 11.50 in — Jan 18, 2012 |
| February | 72.0°F — Feb 28, 2025 | 14.0°F — Feb 6, 2019 | 3.60 in — Feb 8, 1996 |
| March | 84.0°F — Mar 21, 2019 | 19.9°F — Mar 1, 2019 | 3.52 in — Mar 1, 2022 |
| April | 91.9°F — Apr 20, 2016 | 28.9°F — Apr 8, 2011 | 4.64 in — Apr 5, 1991 |
| May | 96.1°F — May 11, 2020 | 30.0°F — May 4, 2024 | 2.02 in — May 17, 2020 |
| June | 118.0°F — Jun 29, 2021 | 39.9°F — Jun 1, 2024 | 3.30 in — Jun 2, 1997 |
| July | 105.1°F — Jul 31, 2022 | 39.9°F — Jul 5, 2011 | 1.27 in — Jul 10, 1995 |
| August | 111.9°F — Aug 15, 2023 | 41.0°F — Aug 3, 2025 | 2.90 in — Aug 22, 2004 |
| September | 102.9°F — Sep 4, 2017 | 34.0°F — Sep 13, 2014 | 2.00 in — Sep 6, 2013 |
| October | 86.0°F — Oct 10, 2022 | 27.0°F — Oct 31, 2019 | 4.22 in — Oct 22, 2017 |
| November | 73.9°F — Nov 9, 2016 | 19.9°F — Nov 30, 2019 | 4.69 in — Nov 7, 2006 |
| December | 64.0°F — Dec 11, 2014 | 12.0°F — Dec 8, 2013 | 3.60 in — Dec 9, 2015 |
Click a month to see every daily record for that month in Mossyrock.