| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 63d - Virginian Barrier Islands and Coastal Marshes |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 27950 - Knotts Island, NC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 34 | 40 | 48 | 57 | 66 | 70 | 69 | 65 | 54 | 44 | 37 | 51 |
| Avg Max Temp (°F) | 50 | 52 | 59 | 68 | 75 | 83 | 87 | 86 | 81 | 72 | 63 | 54 | 69 |
| Avg Precip (In.) | 4.32 | 3.39 | 4.11 | 2.97 | 4 | 3.63 | 4.77 | 5.38 | 4.62 | 3.5 | 3.1 | 3.14 | 46.94 |