| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 65m - Rolling Coastal Plain |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 22482 - Kilmarnock, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 29 | 30 | 37 | 45 | 55 | 64 | 69 | 67 | 62 | 50 | 41 | 33 | 48 |
| Avg Max Temp (°F) | 47 | 49 | 58 | 68 | 75 | 83 | 87 | 86 | 80 | 70 | 60 | 51 | 68 |
| Avg Precip (In.) | 3.76 | 3.21 | 4.47 | 3.04 | 3.94 | 3.36 | 4.43 | 4.09 | 4.07 | 3.37 | 3.13 | 3.22 | 44.07 |