| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F 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 6a: -10F to -5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 61c - Low Lime Drift Plain |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 44134 - Cleveland, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 20 | 27 | 37 | 47 | 57 | 61 | 60 | 53 | 42 | 33 | 23 | 40 |
| Avg Max Temp (°F) | 33 | 36 | 46 | 58 | 69 | 78 | 82 | 80 | 73 | 61 | 49 | 38 | 58 |
| Avg Precip (In.) | 2.52 | 2.26 | 2.95 | 3.39 | 3.72 | 4.03 | 3.77 | 3.77 | 3.74 | 2.84 | 3.38 | 3.18 | 39.55 |