All-time weather records — Okanogan, WA
Climate change signal in Okanogan
of Okanogan's all-time daily heat records were set in the last decade (184 of 366 records since 2015).
of all-time daily cold records were set in the last decade (83 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 | 25 | 31 | ||
| 2000s | 102 | 177 | ||
| 2010s | 113 | 112 | ||
| 2020s | 126 | 46 |
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 13, 2014 | -12.8°F — Jan 13, 2024 | 0.84 in — Jan 5, 2008 |
| February | 73.9°F — Feb 28, 2008 | -1.8°F — Feb 6, 2014 | 0.78 in — Feb 15, 2017 |
| March | 75.0°F — Mar 30, 2003 | 1.2°F — Mar 18, 2010 | 0.84 in — Mar 23, 2024 |
| April | 84.9°F — Apr 20, 2016 | 19.0°F — Apr 24, 2002 | 0.83 in — Apr 24, 2003 |
| May | 96.1°F — May 18, 2006 | 22.1°F — May 1, 2008 | 1.32 in — May 16, 2019 |
| June | 117.0°F — Jun 29, 2021 | 30.9°F — Jun 9, 1999 | 1.42 in — Jun 5, 2007 |
| July | 109.0°F — Jul 8, 2001 | 37.9°F — Jul 3, 1999 | 1.76 in — Jul 20, 2012 |
| August | 109.0°F — Aug 15, 2023 | 37.9°F — Aug 31, 2006 | 0.60 in — Aug 10, 2013 |
| September | 104.0°F — Sep 3, 2025 | 21.9°F — Sep 23, 2000 | 1.03 in — Sep 18, 2019 |
| October | 87.1°F — Oct 18, 2009 | 5.0°F — Oct 31, 2002 | 1.08 in — Oct 13, 2016 |
| November | 68.0°F — Nov 2, 2018 | -5.8°F — Nov 24, 2010 | 0.94 in — Nov 20, 2024 |
| December | 73.9°F — Dec 1, 2021 | -8.9°F — Dec 22, 2022 | 1.08 in — Dec 14, 2002 |
Click a month to see every daily record for that month in Okanogan.