| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 83a - Erie Lake Plain |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 44060 - Mentor, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 21 | 29 | 38 | 49 | 58 | 63 | 62 | 56 | 45 | 36 | 26 | 42 |
| Avg Max Temp (°F) | 35 | 37 | 46 | 56 | 68 | 77 | 81 | 80 | 74 | 63 | 51 | 40 | 59 |
| Avg Precip (In.) | 2.32 | 1.83 | 2.76 | 3.32 | 3.08 | 3.81 | 3.26 | 3.8 | 3.99 | 3.26 | 3.57 | 3.03 | 38.05 |