| 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: | 45a - Southern Inner Piedmont | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 29678 - Seneca, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 29 | 31 | 38 | 45 | 54 | 63 | 67 | 66 | 60 | 47 | 38 | 31 | 47 |
| Avg Max Temp (°F) | 52 | 57 | 64 | 73 | 80 | 86 | 90 | 88 | 83 | 73 | 64 | 54 | 72 |
| Avg Precip (In.) | 5.74 | 4.9 | 5.98 | 3.9 | 4.63 | 4.13 | 4.56 | 4.59 | 4.23 | 4.07 | 4.48 | 4.59 | 55.79 |