Navassa, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.3 °C (low) to 23.5 °C (high). Annual precipitation averages 1538.2 Millimeters. Navassa is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.1 °C | 13.9 °C | 100.58 mm |
| February | 1.9 °C | 15.4 °C | 90.68 mm |
| March | 5.3 °C | 19.1 °C | 103.89 mm |
| April | 10.3 °C | 23.5 °C | 85.34 mm |
| May | 15.2 °C | 27.3 °C | 107.95 mm |
| June | 19.8 °C | 30.6 °C | 141.99 mm |
| July | 21.8 °C | 32.3 °C | 173.23 mm |
| August | 21.1 °C | 31.5 °C | 194.56 mm |
| September | 18.2 °C | 29 °C | 229.87 mm |
| October | 11.7 °C | 24.6 °C | 122.43 mm |
| November | 5.9 °C | 19.6 °C | 90.42 mm |
| December | 2.7 °C | 15.6 °C | 97.28 mm |
| Annual | 11.3 °C | 23.5 °C | 1538.22 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |