Lithia Springs, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.9 °F (low) to 71.6 °F (high). Annual precipitation averages 54.2 Inches. Lithia Springs is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.2 °F | 52.6 °F | 4.9 in. |
| February | 35.1 °F | 56.6 °F | 4.91 in. |
| March | 41.5 °F | 64.4 °F | 5.18 in. |
| April | 49.4 °F | 72.5 °F | 4.25 in. |
| May | 58.4 °F | 79.1 °F | 4.16 in. |
| June | 66.2 °F | 85.1 °F | 4.25 in. |
| July | 69.6 °F | 87.9 °F | 5.33 in. |
| August | 68.8 °F | 87.2 °F | 4.25 in. |
| September | 62.9 °F | 82.3 °F | 4.14 in. |
| October | 51.3 °F | 73.0 °F | 3.63 in. |
| November | 40.4 °F | 63.2 °F | 4.32 in. |
| December | 35.0 °F | 54.9 °F | 4.85 in. |
| Annual | 50.9 °F | 71.6 °F | 54.17 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |