| 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: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 61c - Low Lime Drift Plain |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 44231 - Garrettsville, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 18 | 26 | 36 | 47 | 55 | 60 | 58 | 52 | 40 | 32 | 22 | 39 |
| Avg Max Temp (°F) | 32 | 36 | 46 | 58 | 69 | 77 | 81 | 79 | 72 | 61 | 48 | 37 | 58 |
| Avg Precip (In.) | 2.57 | 2.23 | 3.19 | 3.48 | 3.76 | 4.11 | 3.91 | 3.75 | 4.04 | 3.03 | 3.45 | 3.28 | 40.8 |