| 2023 Hardiness Zone: | 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: | 55d - Pre-Wisconsinan Drift Plains |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 45142 - Lynchburg, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 22 | 31 | 40 | 51 | 59 | 63 | 61 | 54 | 42 | 34 | 24 | 42 |
| Avg Max Temp (°F) | 36 | 41 | 51 | 62 | 72 | 80 | 84 | 82 | 76 | 65 | 52 | 41 | 62 |
| Avg Precip (In.) | 2.92 | 2.66 | 3.69 | 3.96 | 4.78 | 4.21 | 4.14 | 3.97 | 3.17 | 2.86 | 3.32 | 3.07 | 42.75 |