| 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 | |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 45b - Southern Outer Piedmont | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 28138 - Rockwell, NC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 30 | 38 | 45 | 55 | 63 | 67 | 66 | 59 | 47 | 38 | 31 | 47 |
| Avg Max Temp (°F) | 50 | 54 | 63 | 72 | 79 | 86 | 89 | 88 | 82 | 72 | 62 | 53 | 71 |
| Avg Precip (In.) | 4.06 | 3.62 | 4.45 | 3.38 | 3.94 | 4.14 | 4.14 | 3.64 | 3.96 | 3.73 | 3.26 | 3.31 | 45.64 |