Lenox, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13 °C (low) to 25.4 °C (high). Annual precipitation averages 1263.6 Millimeters. Lenox is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.7 °C | 16.1 °C | 115.82 mm |
| February | 5.3 °C | 18.2 °C | 105.16 mm |
| March | 8.3 °C | 21.8 °C | 127.76 mm |
| April | 12.1 °C | 25.6 °C | 86.61 mm |
| May | 16.7 °C | 29.5 °C | 71.12 mm |
| June | 20.7 °C | 31.9 °C | 135.13 mm |
| July | 21.9 °C | 33 °C | 131.06 mm |
| August | 21.7 °C | 32.6 °C | 136.4 mm |
| September | 19.2 °C | 30.7 °C | 111.25 mm |
| October | 13.6 °C | 26.5 °C | 77.47 mm |
| November | 7.7 °C | 21.4 °C | 67.31 mm |
| December | 5.1 °C | 17.4 °C | 98.55 mm |
| Annual | 13 °C | 25.4 °C | 1263.64 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |