Salvo, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.4 °C (low) to 20.7 °C (high). Annual precipitation averages 1387.9 Millimeters. 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 | 4.6 °C | 11.9 °C | 108.2 mm |
| February | 4.9 °C | 12.4 °C | 88.65 mm |
| March | 7.6 °C | 14.9 °C | 93.73 mm |
| April | 12.4 °C | 19.1 °C | 89.92 mm |
| May | 17 °C | 23.3 °C | 99.06 mm |
| June | 21.7 °C | 27.4 °C | 116.84 mm |
| July | 23.9 °C | 29.5 °C | 130.56 mm |
| August | 23.6 °C | 29.1 °C | 175.77 mm |
| September | 21.8 °C | 26.9 °C | 160.78 mm |
| October | 16.7 °C | 22.6 °C | 118.62 mm |
| November | 11.2 °C | 17.6 °C | 104.65 mm |
| December | 7.3 °C | 14.1 °C | 101.09 mm |
| Annual | 14.4 °C | 20.7 °C | 1387.87 mm |
| 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 : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |