Salvo, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 57.9 °F (low) to 69.3 °F (high). Annual precipitation averages 54.6 Inches. Salvo is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 40.2 °F | 53.5 °F | 4.26 in. |
| February | 40.8 °F | 54.3 °F | 3.49 in. |
| March | 45.7 °F | 58.8 °F | 3.69 in. |
| April | 54.3 °F | 66.3 °F | 3.54 in. |
| May | 62.6 °F | 74.0 °F | 3.9 in. |
| June | 71.1 °F | 81.3 °F | 4.6 in. |
| July | 75.0 °F | 85.1 °F | 5.14 in. |
| August | 74.5 °F | 84.4 °F | 6.92 in. |
| September | 71.2 °F | 80.4 °F | 6.33 in. |
| October | 62.1 °F | 72.6 °F | 4.67 in. |
| November | 52.1 °F | 63.6 °F | 4.12 in. |
| December | 45.1 °F | 57.3 °F | 3.98 in. |
| Annual | 57.9 °F | 69.3 °F | 54.64 in. |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |