All-time weather records — Donnelsville, OH
Climate change signal in Donnelsville
of Donnelsville's all-time daily heat records were set in the last decade (366 of 366 records since 2015).
of all-time daily cold records were set in the last decade (366 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 | # |
|---|---|---|---|---|
| 1910s | · | · | ||
| 1920s | · | · | ||
| 1930s | · | · | ||
| 1940s | · | · | ||
| 1950s | · | · | ||
| 1960s | · | · | ||
| 1970s | · | · | ||
| 1980s | · | · | ||
| 1990s | · | · | ||
| 2000s | · | · | ||
| 2010s | 166 | 133 | ||
| 2020s | 200 | 233 |
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 2016, the latest in 2026. Period of observation: 1914-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 66.0°F — Jan 12, 2020 | -16.1°F — Jan 28, 2026 | 3.01 in — Jan 22, 1959 |
| February | 78.1°F — Feb 21, 2018 | -15.0°F — Feb 1, 2026 | 2.60 in — Feb 10, 1959 |
| March | 87.1°F — Mar 23, 2026 | 7.0°F — Mar 5, 2019 | 2.54 in — Mar 10, 1964 |
| April | 84.9°F — Apr 15, 2017 | 19.0°F — Apr 1, 2019 | 2.75 in — Apr 21, 1920 |
| May | 96.1°F — May 29, 2018 | 28.0°F — May 9, 2020 | 2.59 in — May 22, 2014 |
| June | 98.1°F — Jun 26, 2016 | 17.1°F — Jun 22, 2021 | 3.49 in — Jun 24, 2017 |
| July | 95.0°F — Jul 21, 2017 | 43.0°F — Jul 21, 2023 | 4.30 in — Jul 18, 1931 |
| August | 98.1°F — Aug 31, 2024 | 39.9°F — Aug 13, 2017 | 4.16 in — Aug 10, 1969 |
| September | 96.1°F — Sep 27, 2017 | 37.0°F — Sep 30, 2022 | 4.20 in — Sep 27, 2002 |
| October | 91.9°F — Oct 3, 2019 | 25.0°F — Oct 31, 2023 | 2.78 in — Oct 28, 2015 |
| November | 82.9°F — Nov 1, 2016 | 5.0°F — Nov 13, 2019 | 3.85 in — Nov 6, 2017 |
| December | 68.0°F — Dec 27, 2016 | -9.9°F — Dec 24, 2022 | 2.49 in — Dec 22, 2013 |
Click a month to see every daily record for that month in Donnelsville.