| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 65m - Rolling Coastal Plain |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 23805 - Petersburg, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 29 | 36 | 44 | 54 | 63 | 67 | 65 | 59 | 46 | 38 | 31 | 47 |
| Avg Max Temp (°F) | 49 | 52 | 61 | 72 | 79 | 86 | 90 | 88 | 82 | 72 | 62 | 52 | 71 |
| Avg Precip (In.) | 4.06 | 3.24 | 4.32 | 3.36 | 4.1 | 3.44 | 4.55 | 4.31 | 4.39 | 3.59 | 3.23 | 3.12 | 45.7 |