| 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 5b: -15°F to -10°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: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 45381 - West Alexandria, OH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 19 | 29 | 38 | 49 | 58 | 61 | 60 | 52 | 40 | 32 | 22 | 40 |
| Avg Max Temp (°F) | 34 | 39 | 50 | 62 | 72 | 81 | 85 | 83 | 77 | 65 | 51 | 39 | 62 |
| Avg Precip (In.) | 2.58 | 2.28 | 3.21 | 3.9 | 4.62 | 3.97 | 3.93 | 3.45 | 2.68 | 2.8 | 3.35 | 3.01 | 39.79 |