Hinesville, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.7 °F (low) to 78.2 °F (high). Annual precipitation averages 50.9 Inches. Hinesville 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 | 38.4 °F | 62.1 °F | 3.78 in. |
| February | 41.0 °F | 65.4 °F | 3.57 in. |
| March | 47.1 °F | 72.0 °F | 3.87 in. |
| April | 53.7 °F | 78.7 °F | 3.26 in. |
| May | 62.0 °F | 85.3 °F | 3.63 in. |
| June | 69.6 °F | 90.3 °F | 6.16 in. |
| July | 72.4 °F | 92.6 °F | 5.93 in. |
| August | 72.1 °F | 91.2 °F | 6.92 in. |
| September | 67.7 °F | 86.8 °F | 4.37 in. |
| October | 57.1 °F | 79.4 °F | 3.78 in. |
| November | 46.3 °F | 70.9 °F | 2.2 in. |
| December | 41.0 °F | 64.2 °F | 3.46 in. |
| Annual | 55.7 °F | 78.2 °F | 50.93 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |