Lexington, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.6 °F (low) to 73.4 °F (high). Annual precipitation averages 49 Inches. Lexington is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.5 °F | 54.6 °F | 4.31 in. |
| February | 35.1 °F | 58.2 °F | 4.48 in. |
| March | 41.1 °F | 66.0 °F | 4.58 in. |
| April | 48.8 °F | 74.0 °F | 3.57 in. |
| May | 57.8 °F | 81.0 °F | 3.24 in. |
| June | 66.0 °F | 87.6 °F | 4.84 in. |
| July | 69.4 °F | 90.4 °F | 4.03 in. |
| August | 68.6 °F | 89.0 °F | 4.58 in. |
| September | 62.4 °F | 84.2 °F | 4.1 in. |
| October | 50.9 °F | 74.8 °F | 3.07 in. |
| November | 40.0 °F | 64.8 °F | 3.55 in. |
| December | 34.8 °F | 56.6 °F | 4.66 in. |
| Annual | 50.6 °F | 73.4 °F | 49.01 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |