Haralson, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.7 °F (low) to 72.9 °F (high). Annual precipitation averages 51.6 Inches. Haralson is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.3 °F | 54.3 °F | 4.73 in. |
| February | 35.2 °F | 58.0 °F | 4.85 in. |
| March | 41.5 °F | 65.6 °F | 5.13 in. |
| April | 49.0 °F | 73.3 °F | 4.24 in. |
| May | 58.3 °F | 80.6 °F | 3.39 in. |
| June | 66.1 °F | 86.4 °F | 4.25 in. |
| July | 69.2 °F | 89.1 °F | 4.9 in. |
| August | 68.5 °F | 88.3 °F | 4.29 in. |
| September | 62.6 °F | 83.4 °F | 3.65 in. |
| October | 51.0 °F | 74.3 °F | 3.28 in. |
| November | 39.9 °F | 64.5 °F | 3.93 in. |
| December | 35.1 °F | 56.7 °F | 4.98 in. |
| Annual | 50.7 °F | 72.9 °F | 51.62 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |