Bristol, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.9 °C (low) to 25.8 °C (high). Annual precipitation averages 1243.1 Millimeters. Bristol is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.4 °C | 16.8 °C | 105.16 mm |
| February | 4.8 °C | 18.7 °C | 92.96 mm |
| March | 8 °C | 22.3 °C | 99.82 mm |
| April | 11.8 °C | 26.1 °C | 81.79 mm |
| May | 16.3 °C | 29.8 °C | 79.25 mm |
| June | 20.5 °C | 32.2 °C | 154.94 mm |
| July | 22 °C | 33.6 °C | 136.65 mm |
| August | 21.9 °C | 32.9 °C | 157.99 mm |
| September | 19.4 °C | 30.5 °C | 108.97 mm |
| October | 13.6 °C | 26.4 °C | 90.42 mm |
| November | 7.7 °C | 21.8 °C | 55.37 mm |
| December | 4.8 °C | 18.1 °C | 79.76 mm |
| Annual | 12.9 °C | 25.8 °C | 1243.08 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |