| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F 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 29693 - Westminster, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 29 | 31 | 37 | 44 | 54 | 62 | 66 | 65 | 59 | 47 | 38 | 31 | 47 |
| Avg Max Temp (°F) | 52 | 57 | 64 | 73 | 80 | 86 | 90 | 88 | 83 | 73 | 63 | 54 | 72 |
| Avg Precip (In.) | 5.85 | 4.99 | 6 | 3.97 | 4.72 | 4.15 | 4.67 | 4.49 | 4.29 | 4.05 | 4.55 | 4.59 | 56.31 |