Buffalo, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.3 °C (low) to 22.8 °C (high). Annual precipitation averages 1170.7 Millimeters. Buffalo is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.2 °C | 12.1 °C | 105.66 mm |
| February | 0.2 °C | 14.2 °C | 93.47 mm |
| March | 3.5 °C | 18.4 °C | 111.25 mm |
| April | 8.2 °C | 23.5 °C | 96.01 mm |
| May | 13.6 °C | 27.3 °C | 85.85 mm |
| June | 18.3 °C | 30.9 °C | 108.97 mm |
| July | 20.4 °C | 32.8 °C | 93.22 mm |
| August | 19.7 °C | 31.8 °C | 100.84 mm |
| September | 16.2 °C | 28.7 °C | 93.22 mm |
| October | 9.1 °C | 23.4 °C | 84.07 mm |
| November | 3 °C | 17.7 °C | 90.42 mm |
| December | 0.3 °C | 13.3 °C | 107.7 mm |
| Annual | 9.3 °C | 22.8 °C | 1170.68 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |