| 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. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 55b - Loamy High Lime Till Plains |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 45345 - New Lebanon, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 21 | 30 | 40 | 50 | 59 | 63 | 61 | 54 | 42 | 33 | 24 | 41 |
| Avg Max Temp (°F) | 35 | 40 | 51 | 62 | 73 | 82 | 86 | 84 | 77 | 65 | 52 | 40 | 62 |
| Avg Precip (In.) | 2.58 | 2.32 | 3.1 | 3.82 | 4.48 | 4.07 | 3.98 | 3.51 | 2.75 | 2.79 | 3.27 | 2.9 | 39.59 |