| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 55b - Loamy High Lime Till Plains |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 45318 - Covington, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 20 | 29 | 39 | 49 | 59 | 62 | 60 | 53 | 41 | 32 | 23 | 40 |
| Avg Max Temp (°F) | 33 | 38 | 49 | 61 | 72 | 81 | 84 | 83 | 76 | 64 | 50 | 38 | 61 |
| Avg Precip (In.) | 2.39 | 2.18 | 2.96 | 3.65 | 4.12 | 4.3 | 3.98 | 3.55 | 2.57 | 2.69 | 3.16 | 2.85 | 38.38 |