Thomasville, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.8 °C (low) to 25.7 °C (high). Annual precipitation averages 1361.4 Millimeters. Thomasville 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 | 4.6 °C | 16.7 °C | 122.68 mm |
| February | 6.3 °C | 18.8 °C | 111.25 mm |
| March | 9.3 °C | 22.6 °C | 140.72 mm |
| April | 12.8 °C | 26 °C | 89.92 mm |
| May | 17.2 °C | 30 °C | 75.18 mm |
| June | 21.2 °C | 32 °C | 149.1 mm |
| July | 22.3 °C | 33 °C | 152.4 mm |
| August | 22.3 °C | 32.7 °C | 143.76 mm |
| September | 20.1 °C | 30.5 °C | 117.35 mm |
| October | 14.5 °C | 26.8 °C | 80.77 mm |
| November | 8.8 °C | 21.7 °C | 77.98 mm |
| December | 5.9 °C | 17.9 °C | 100.33 mm |
| Annual | 13.8 °C | 25.7 °C | 1361.44 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 |