| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 45e - Northern Inner Piedmont | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 22192 - Woodbridge, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 27 | 34 | 42 | 52 | 62 | 67 | 65 | 58 | 45 | 36 | 29 | 45 |
| Avg Max Temp (°F) | 44 | 47 | 56 | 67 | 75 | 83 | 87 | 86 | 79 | 69 | 58 | 47 | 66 |
| Avg Precip (In.) | 3.32 | 2.77 | 3.7 | 3.18 | 4.13 | 3.67 | 3.95 | 3.83 | 4.09 | 3.41 | 3.31 | 3.17 | 42.53 |