Deltaville, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.9 °F (low) to 67.5 °F (high). Annual precipitation averages 48.9 Inches. Deltaville is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.9 °F | 47.3 °F | 3.48 in. |
| February | 32.6 °F | 49.5 °F | 2.95 in. |
| March | 38.3 °F | 55.8 °F | 4.33 in. |
| April | 48.6 °F | 66.5 °F | 3.64 in. |
| May | 58.3 °F | 74.4 °F | 3.76 in. |
| June | 67.5 °F | 82.7 °F | 4.22 in. |
| July | 72.5 °F | 86.9 °F | 5.09 in. |
| August | 71.2 °F | 85.1 °F | 5.36 in. |
| September | 66.1 °F | 79.8 °F | 4.91 in. |
| October | 55.0 °F | 70.1 °F | 4.43 in. |
| November | 44.0 °F | 59.6 °F | 3.01 in. |
| December | 36.3 °F | 51.7 °F | 3.71 in. |
| Annual | 51.9 °F | 67.5 °F | 48.89 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |