| 2023 Hardiness Zone: | 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: | 45b - Southern Outer Piedmont | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 29732 - Rock Hill, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 34 | 41 | 49 | 58 | 66 | 70 | 69 | 62 | 51 | 42 | 34 | 51 |
| Avg Max Temp (°F) | 52 | 57 | 65 | 73 | 80 | 87 | 90 | 88 | 82 | 73 | 63 | 54 | 72 |
| Avg Precip (In.) | 4.56 | 3.98 | 5.04 | 3.23 | 3.45 | 4.13 | 4.22 | 4.06 | 4.53 | 3.72 | 3.56 | 3.57 | 48.04 |