All-time weather records — Ritchey, MO
Climate change signal in Ritchey
of Ritchey's all-time daily heat records were set in the last decade (174 of 366 records since 2015).
of all-time daily cold records were set in the last decade (108 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 | · | · | ||
| 1990s | 44 | 103 | ||
| 2000s | 57 | 100 | ||
| 2010s | 159 | 97 | ||
| 2020s | 106 | 66 |
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 1994, the latest in 2026. Period of observation: 1973-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 75.9°F — Jan 3, 2023 | -16.1°F — Jan 26, 2026 | 3.10 in — Jan 18, 1996 |
| February | 86.0°F — Feb 23, 1996 | -16.1°F — Feb 4, 1996 | 14.00 in — Feb 2, 2011 |
| March | 95.0°F — Mar 22, 2026 | 3.0°F — Mar 8, 1996 | 3.64 in — Mar 20, 2012 |
| April | 91.9°F — Apr 19, 2006 | 16.0°F — Apr 8, 2007 | 3.76 in — Apr 10, 2008 |
| May | 91.9°F — May 5, 2014 | 30.9°F — May 3, 2004 | 6.05 in — May 1, 2019 |
| June | 102.9°F — Jun 29, 2012 | 44.1°F — Jun 6, 1998 | 4.90 in — Jun 26, 2021 |
| July | 108.0°F — Jul 30, 2012 | 46.9°F — Jul 16, 2014 | 4.70 in — Jul 3, 1976 |
| August | 109.9°F — Aug 3, 2011 | 46.9°F — Aug 15, 2004 | 5.00 in — Aug 14, 1980 |
| September | 104.0°F — Sep 4, 2000 | 30.9°F — Sep 23, 1995 | 6.50 in — Sep 30, 1986 |
| October | 93.9°F — Oct 5, 2024 | 16.0°F — Oct 20, 2022 | 5.80 in — Oct 9, 2009 |
| November | 86.0°F — Nov 8, 2023 | 6.1°F — Nov 18, 2014 | 5.50 in — Nov 25, 1987 |
| December | 81.0°F — Dec 28, 2025 | -4.0°F — Dec 10, 1995 | 5.34 in — Dec 27, 2015 |
Click a month to see every daily record for that month in Ritchey.