| 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. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 65m - Rolling Coastal Plain |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 28339 - Erwin, NC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 29 | 31 | 39 | 46 | 56 | 64 | 68 | 67 | 60 | 47 | 38 | 32 | 48 |
| Avg Max Temp (°F) | 51 | 55 | 63 | 72 | 79 | 86 | 89 | 87 | 82 | 73 | 63 | 54 | 71 |
| Avg Precip (In.) | 4.16 | 3.63 | 4.54 | 3.22 | 3.84 | 4.36 | 5.49 | 4.8 | 4.56 | 3.22 | 3.06 | 3.45 | 48.32 |