| 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 |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| 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: | 70e - Unglaciated Upper Muskingum Basin |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 43701 - Zanesville, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 21 | 30 | 38 | 49 | 58 | 62 | 60 | 53 | 41 | 33 | 24 | 41 |
| Avg Max Temp (°F) | 36 | 40 | 51 | 63 | 72 | 80 | 84 | 82 | 76 | 64 | 52 | 41 | 62 |
| Avg Precip (In.) | 2.56 | 2.33 | 3.08 | 3.42 | 4.1 | 4.26 | 4.3 | 3.96 | 2.93 | 2.48 | 3.14 | 2.87 | 39.43 |