| 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: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 45a - Southern Inner Piedmont | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 29696 - West Union, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 29 | 31 | 38 | 45 | 54 | 62 | 66 | 66 | 59 | 47 | 38 | 31 | 47 |
| Avg Max Temp (°F) | 52 | 57 | 64 | 72 | 80 | 86 | 90 | 88 | 83 | 73 | 63 | 54 | 72 |
| Avg Precip (In.) | 6.07 | 5.19 | 6.36 | 4.18 | 5.03 | 4.52 | 4.99 | 4.94 | 4.56 | 4.3 | 4.8 | 5 | 59.95 |