All-time weather records — Mount Crested Butte, CO
Climate change signal in Mount Crested Butte
of Mount Crested Butte's all-time daily heat records were set in the last decade (44 of 366 records since 2015).
of all-time daily cold records were set in the last decade (39 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 | 36 | 68 | ||
| 1990s | 36 | 142 | ||
| 2000s | 242 | 80 | ||
| 2010s | 26 | 48 | ||
| 2020s | 26 | 28 |
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 2025. Period of observation: 1980-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 122.0°F — Jan 9, 1986 | -14.4°F — Jan 21, 2025 | 1.80 in — Jan 5, 2008 |
| February | 122.0°F — Feb 13, 1986 | -60.3°F — Feb 20, 1986 | 1.60 in — Feb 20, 1996 |
| March | 96.1°F — Mar 24, 2003 | -13.2°F — Mar 2, 2002 | 1.70 in — Mar 10, 2023 |
| April | 102.9°F — Apr 17, 2003 | 0.3°F — Apr 12, 1997 | 1.60 in — Apr 1, 2026 |
| May | 111.9°F — May 31, 2003 | 7.3°F — May 6, 1999 | 1.10 in — May 3, 2001 |
| June | 115.9°F — Jun 29, 2003 | -60.3°F — Jun 23, 1992 | 1.00 in — Jun 8, 1987 |
| July | 91.6°F — Jul 25, 1996 | 27.9°F — Jul 5, 1993 | 1.80 in — Jul 8, 1984 |
| August | 106.2°F — Aug 31, 2002 | 28.0°F — Aug 27, 1992 | 1.00 in — Aug 3, 1991 |
| September | 112.8°F — Sep 4, 2002 | 12.9°F — Sep 27, 1996 | 1.30 in — Sep 8, 2020 |
| October | 101.3°F — Oct 8, 2002 | -6.3°F — Oct 30, 2019 | 2.20 in — Oct 28, 2023 |
| November | 122.0°F — Nov 8, 1985 | -10.1°F — Nov 25, 2010 | 1.70 in — Nov 26, 2024 |
| December | 122.0°F — Dec 1, 1985 | -60.3°F — Dec 31, 1986 | 2.00 in — Dec 7, 2007 |
Click a month to see every daily record for that month in Mount Crested Butte.