All-time weather records — Clayton, ID
Climate change signal in Clayton
of Clayton's all-time daily heat records were set in the last decade (125 of 366 records since 2015).
of all-time daily cold records were set in the last decade (58 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 | # |
|---|---|---|---|---|
| 1970s | · | · | ||
| 1980s | 5 | 3 | ||
| 1990s | 98 | 188 | ||
| 2000s | 111 | 75 | ||
| 2010s | 68 | 68 | ||
| 2020s | 84 | 32 |
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 1989, the latest in 2026. Period of observation: 1978-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 53.6°F — Jan 26, 2015 | -22.2°F — Jan 12, 1997 | 2.20 in — Jan 1, 1997 |
| February | 55.4°F — Feb 9, 2016 | -18.8°F — Feb 12, 2025 | 1.50 in — Feb 18, 1986 |
| March | 61.5°F — Mar 21, 2004 | -13.2°F — Mar 10, 2022 | 1.40 in — Mar 8, 2017 |
| April | 66.4°F — Apr 23, 2012 | -4.9°F — Apr 12, 1997 | 1.10 in — Apr 20, 2001 |
| May | 73.8°F — May 28, 2003 | 5.9°F — May 1, 2019 | 1.30 in — May 6, 1986 |
| June | 81.3°F — Jun 28, 2015 | 15.4°F — Jun 9, 1999 | 1.40 in — Jun 6, 1993 |
| July | 85.8°F — Jul 30, 2000 | 23.0°F — Jul 5, 1999 | 2.20 in — Jul 9, 1983 |
| August | 84.0°F — Aug 14, 2003 | 15.3°F — Aug 24, 1992 | 1.20 in — Aug 19, 1990 |
| September | 79.3°F — Sep 3, 2017 | 6.8°F — Sep 28, 1999 | 1.30 in — Sep 11, 1997 |
| October | 72.9°F — Oct 2, 2010 | -9.6°F — Oct 29, 2019 | 1.40 in — Oct 4, 2009 |
| November | 70.5°F — Nov 13, 2006 | -16.1°F — Nov 24, 2010 | 1.90 in — Nov 2, 1984 |
| December | 51.8°F — Dec 11, 2017 | -29.0°F — Dec 20, 1990 | 1.90 in — Dec 12, 1995 |
Click a month to see every daily record for that month in Clayton.