All-time weather records — Greenhills, OH
Climate change signal in Greenhills
of Greenhills's all-time daily heat records were set in the last decade (133 of 366 records since 2015).
of all-time daily cold records were set in the last decade (119 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 | 45 | 36 | ||
| 2000s | 113 | 137 | ||
| 2010s | 135 | 124 | ||
| 2020s | 73 | 69 |
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: 1997-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 70.0°F — Jan 3, 2004 | -18.9°F — Jan 28, 2026 | 3.14 in — Jan 3, 2000 |
| February | 80.1°F — Feb 24, 2017 | -19.8°F — Feb 24, 2015 | 2.03 in — Feb 24, 2018 |
| March | 89.1°F — Mar 22, 2026 | 0.1°F — Mar 6, 2015 | 3.29 in — Mar 18, 2008 |
| April | 91.9°F — Apr 19, 2002 | 20.1°F — Apr 2, 2013 | 2.25 in — Apr 3, 2018 |
| May | 91.9°F — May 27, 2012 | 27.1°F — May 9, 2020 | 2.57 in — May 1, 2012 |
| June | 100.9°F — Jun 28, 2012 | 39.9°F — Jun 2, 2003 | 1.86 in — Jun 12, 2010 |
| July | 105.1°F — Jul 7, 2012 | 0.0°F — Jul 27, 1998 | 3.99 in — Jul 17, 2001 |
| August | 102.0°F — Aug 30, 2024 | 0.0°F — Aug 2, 1998 | 2.89 in — Aug 28, 2006 |
| September | 105.1°F — Sep 3, 2014 | 34.0°F — Sep 22, 1999 | 3.60 in — Sep 5, 2022 |
| October | 95.0°F — Oct 2, 2019 | 21.0°F — Oct 23, 1997 | 2.23 in — Oct 6, 2013 |
| November | 82.9°F — Nov 1, 2016 | 7.2°F — Nov 13, 2019 | 3.19 in — Nov 5, 2017 |
| December | 73.0°F — Dec 3, 2012 | -18.9°F — Dec 25, 2004 | 2.25 in — Dec 5, 2011 |
Click a month to see every daily record for that month in Greenhills.