Allenhurst, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.8 °F (low) to 78.3 °F (high). Annual precipitation averages 50.8 Inches. Allenhurst 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 | 38.5 °F | 62.3 °F | 3.82 in. |
| February | 41.1 °F | 65.6 °F | 3.58 in. |
| March | 47.2 °F | 72.0 °F | 3.88 in. |
| April | 53.8 °F | 78.7 °F | 3.26 in. |
| May | 62.1 °F | 85.4 °F | 3.56 in. |
| June | 69.6 °F | 90.3 °F | 6.16 in. |
| July | 72.4 °F | 92.6 °F | 5.9 in. |
| August | 72.1 °F | 91.2 °F | 6.9 in. |
| September | 67.8 °F | 86.8 °F | 4.38 in. |
| October | 57.3 °F | 79.4 °F | 3.76 in. |
| November | 46.5 °F | 71.0 °F | 2.22 in. |
| December | 41.2 °F | 64.4 °F | 3.42 in. |
| Annual | 55.8 °F | 78.3 °F | 50.84 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 |