| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°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: | 63h - Carolina Flatwoods | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 28462 - Supply, NC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 35 | 42 | 49 | 57 | 66 | 70 | 69 | 63 | 51 | 43 | 36 | 51 |
| Avg Max Temp (°F) | 56 | 59 | 66 | 73 | 80 | 86 | 89 | 88 | 84 | 76 | 68 | 59 | 74 |
| Avg Precip (In.) | 5.01 | 3.95 | 4.39 | 3.04 | 4.11 | 4.94 | 6.71 | 7.28 | 8 | 3.57 | 3.29 | 3.99 | 58.27 |