Thomasville, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.4 °C (low) to 24.1 °C (high). Annual precipitation averages 1455.2 Millimeters. Thomasville is located in USDA Plant Hardiness Zone 8b. 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 | 1.3 °C | 13.9 °C | 137.92 mm |
| February | 3.7 °C | 16.4 °C | 131.06 mm |
| March | 6.6 °C | 20.7 °C | 149.61 mm |
| April | 10 °C | 24.1 °C | 117.35 mm |
| May | 15.2 °C | 28.1 °C | 100.33 mm |
| June | 20.1 °C | 31.7 °C | 127 mm |
| July | 21.4 °C | 32.8 °C | 138.18 mm |
| August | 20.4 °C | 31.7 °C | 121.41 mm |
| September | 17.6 °C | 29.6 °C | 99.06 mm |
| October | 12.1 °C | 25.6 °C | 88.14 mm |
| November | 5.7 °C | 19.3 °C | 109.73 mm |
| December | 2.7 °C | 15.2 °C | 135.38 mm |
| Annual | 11.4 °C | 24.1 °C | 1455.17 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |