All-time weather records — Kirby, WY
Climate change signal in Kirby
of Kirby's all-time daily heat records were set in the last decade (209 of 366 records since 2015).
of all-time daily cold records were set in the last decade (180 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 | · | · | ||
| 2000s | 82 | 78 | ||
| 2010s | 138 | 196 | ||
| 2020s | 146 | 92 |
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 2005, the latest in 2026. Period of observation: 1991-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 62.1°F — Jan 14, 2021 | -47.0°F — Jan 30, 2023 | 1.10 in — Jan 16, 1995 |
| February | 66.0°F — Feb 6, 2026 | -36.0°F — Feb 7, 2014 | 0.74 in — Feb 28, 2004 |
| March | 86.0°F — Mar 22, 2026 | -25.1°F — Mar 10, 2022 | 1.32 in — Mar 29, 1998 |
| April | 87.1°F — Apr 24, 2012 | -5.1°F — Apr 11, 2013 | 6.00 in — Apr 1, 1997 |
| May | 93.9°F — May 27, 2018 | 12.9°F — May 4, 2024 | 1.83 in — May 28, 2019 |
| June | 100.0°F — Jun 16, 2021 | 27.0°F — Jun 15, 2022 | 1.45 in — Jun 10, 2011 |
| July | 100.9°F — Jul 16, 2006 | 36.0°F — Jul 12, 2008 | 0.75 in — Jul 7, 1994 |
| August | 102.0°F — Aug 11, 2022 | 33.1°F — Aug 23, 2015 | 1.60 in — Aug 20, 2021 |
| September | 102.0°F — Sep 5, 2022 | 23.0°F — Sep 30, 2021 | 1.68 in — Sep 22, 2000 |
| October | 88.0°F — Oct 2, 2011 | -22.0°F — Oct 26, 2020 | 1.90 in — Oct 12, 2023 |
| November | 73.9°F — Nov 6, 2009 | -34.1°F — Nov 13, 2014 | 1.02 in — Nov 8, 1998 |
| December | 64.9°F — Dec 25, 2025 | -47.9°F — Dec 23, 2022 | 1.36 in — Dec 15, 2014 |
Click a month to see every daily record for that month in Kirby.