| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 45f - Northern Outer Piedmont | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 27537 - Henderson, NC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 27 | 35 | 43 | 53 | 62 | 66 | 64 | 57 | 44 | 35 | 28 | 45 |
| Avg Max Temp (°F) | 48 | 52 | 61 | 71 | 78 | 85 | 89 | 87 | 81 | 71 | 62 | 52 | 70 |
| Avg Precip (In.) | 3.95 | 3.18 | 4.14 | 3.11 | 3.97 | 3.66 | 4.19 | 4.44 | 4.32 | 3.51 | 3.18 | 3.06 | 44.71 |