Buford, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.9 °C (low) to 21.6 °C (high). Annual precipitation averages 1396.5 Millimeters. Buford is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.3 °C | 10.6 °C | 129.03 mm |
| February | 1.2 °C | 12.8 °C | 124.21 mm |
| March | 4.6 °C | 17.2 °C | 129.29 mm |
| April | 8.8 °C | 22 °C | 108.46 mm |
| May | 13.9 °C | 25.9 °C | 105.16 mm |
| June | 18.4 °C | 29.4 °C | 118.11 mm |
| July | 20.3 °C | 31 °C | 125.98 mm |
| August | 19.9 °C | 30.7 °C | 121.41 mm |
| September | 16.5 °C | 27.8 °C | 108.97 mm |
| October | 10.2 °C | 22.5 °C | 96.77 mm |
| November | 4.3 °C | 16.8 °C | 104.9 mm |
| December | 1.4 °C | 12.1 °C | 124.21 mm |
| Annual | 9.9 °C | 21.6 °C | 1396.5 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |