All-time weather records — Lancaster, OH
Climate change signal in Lancaster
of Lancaster's all-time daily heat records were set in the last decade (126 of 366 records since 2015).
of all-time daily cold records were set in the last decade (131 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 | · | · | ||
| 1990s | 58 | 39 | ||
| 2000s | 117 | 138 | ||
| 2010s | 122 | 118 | ||
| 2020s | 69 | 71 |
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 1997, the latest in 2026. Period of observation: 1974-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 72.0°F — Jan 11, 2020 | -11.9°F — Jan 28, 2014 | 4.55 in — Jan 5, 2004 |
| February | 79.0°F — Feb 20, 2018 | -9.9°F — Feb 2, 2026 | 1.88 in — Feb 23, 1975 |
| March | 86.0°F — Mar 21, 2012 | 1.9°F — Mar 1, 2015 | 1.88 in — Mar 18, 2008 |
| April | 88.0°F — Apr 26, 2009 | -99.0°F — Apr 11, 2011 | 2.07 in — Apr 3, 2018 |
| May | 95.0°F — May 25, 2025 | 17.1°F — May 15, 2006 | 2.42 in — May 19, 2004 |
| June | 99.0°F — Jun 28, 2012 | 39.9°F — Jun 2, 2003 | 2.41 in — Jun 3, 2008 |
| July | 100.0°F — Jul 6, 2012 | 34.0°F — Jul 30, 2003 | 3.02 in — Jul 6, 2022 |
| August | 99.0°F — Aug 1, 1999 | 37.0°F — Aug 5, 2003 | 2.87 in — Aug 31, 2005 |
| September | 97.0°F — Sep 15, 1998 | 30.9°F — Sep 30, 2004 | 2.98 in — Sep 9, 2004 |
| October | 91.0°F — Oct 2, 2019 | 18.0°F — Oct 13, 2006 | 2.55 in — Oct 8, 1998 |
| November | 81.0°F — Nov 5, 2003 | 10.9°F — Nov 13, 2019 | 2.25 in — Nov 5, 2017 |
| December | 73.9°F — Dec 6, 2001 | -7.1°F — Dec 23, 2022 | 1.95 in — Dec 17, 2016 |
Click a month to see every daily record for that month in Lancaster.