| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F | |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°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: | 45b - Southern Outer Piedmont | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 28120 - Mount Holly, NC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 32 | 40 | 47 | 57 | 65 | 69 | 68 | 62 | 49 | 40 | 33 | 49 |
| Avg Max Temp (°F) | 50 | 55 | 63 | 72 | 79 | 86 | 89 | 88 | 82 | 72 | 62 | 53 | 71 |
| Avg Precip (In.) | 4.06 | 3.79 | 4.51 | 3.05 | 3.83 | 3.74 | 3.87 | 3.37 | 3.77 | 3.7 | 3.4 | 3.36 | 44.45 |