All-time weather records — Bellingham, WA
Climate change signal in Bellingham
of Bellingham's all-time daily heat records were set in the last decade (94 of 366 records since 2015).
of all-time daily cold records were set in the last decade (106 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 | 52 | 47 | ||
| 1990s | 92 | 60 | ||
| 2000s | 87 | 90 | ||
| 2010s | 130 | 94 | ||
| 2020s | 5 | 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 1985, the latest in 2022. Period of observation: 1985-2024.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 64.9°F — Jan 8, 1986 | 9.0°F — Jan 30, 1996 | 2.59 in — Jan 5, 2015 |
| February | 66.0°F — Feb 27, 1986 | 1.0°F — Feb 12, 1991 | 1.93 in — Feb 15, 2016 |
| March | 78.1°F — Mar 29, 2004 | 17.1°F — Mar 3, 1989 | 1.80 in — Mar 30, 1999 |
| April | 79.0°F — Apr 18, 2016 | 24.1°F — Apr 5, 2023 | 1.52 in — Apr 14, 2000 |
| May | 86.0°F — May 2, 2016 | 30.0°F — May 12, 1992 | 1.59 in — May 28, 2010 |
| June | 86.0°F — Jun 25, 2015 | 36.0°F — Jun 28, 1992 | 1.23 in — Jun 10, 1988 |
| July | 91.9°F — Jul 30, 2009 | 34.0°F — Jul 26, 1993 | 1.51 in — Jul 5, 1992 |
| August | 91.0°F — Aug 11, 1990 | 43.0°F — Aug 24, 2021 | 1.87 in — Aug 21, 1989 |
| September | 84.9°F — Sep 2, 2017 | 36.0°F — Sep 16, 2021 | 2.32 in — Sep 16, 1987 |
| October | 75.0°F — Oct 23, 1992 | 23.0°F — Oct 31, 2006 | 2.75 in — Oct 17, 2009 |
| November | 75.0°F — Nov 8, 2016 | -0.9°F — Nov 22, 1993 | 3.26 in — Nov 15, 2021 |
| December | 66.9°F — Dec 10, 2014 | 3.0°F — Dec 27, 2021 | 2.20 in — Dec 12, 2010 |
Click a month to see every daily record for that month in Bellingham.