| 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. 11 - Nov. 20 | |
| 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 29644 - Fountain Inn, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 32 | 39 | 46 | 55 | 63 | 68 | 67 | 60 | 48 | 39 | 32 | 48 |
| Avg Max Temp (°F) | 51 | 56 | 64 | 73 | 80 | 86 | 90 | 88 | 82 | 73 | 63 | 54 | 72 |
| Avg Precip (In.) | 5 | 4.23 | 5.37 | 3.51 | 4.22 | 3.74 | 3.97 | 3.91 | 3.68 | 3.85 | 3.79 | 3.98 | 49.26 |