| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 21 - May 31 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 66a - Northern Igneous Ridges | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 24464 - Montebello, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 20 | 27 | 35 | 45 | 53 | 58 | 56 | 50 | 38 | 29 | 22 | 38 |
| Avg Max Temp (°F) | 39 | 43 | 51 | 62 | 70 | 76 | 79 | 78 | 72 | 63 | 51 | 42 | 60 |
| Avg Precip (In.) | 4.44 | 3.8 | 5.21 | 4.25 | 4.64 | 4.09 | 4.72 | 3.96 | 4.47 | 4.76 | 5.06 | 3.82 | 53.24 |