| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°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: | 57a - Maumee Lake Plains |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 43430 - Genoa, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 20 | 29 | 38 | 50 | 59 | 64 | 61 | 54 | 43 | 34 | 24 | 41 |
| Avg Max Temp (°F) | 32 | 36 | 46 | 59 | 71 | 80 | 84 | 82 | 75 | 63 | 49 | 37 | 59 |
| Avg Precip (In.) | 1.89 | 1.72 | 2.54 | 3.19 | 3.32 | 3.89 | 3.35 | 3.45 | 2.95 | 2.42 | 2.87 | 2.6 | 34.2 |