Union Point, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.2 °F (low) to 74 °F (high). Annual precipitation averages 46.9 Inches. Union Point is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.3 °F | 55.1 °F | 4.05 in. |
| February | 35.7 °F | 58.6 °F | 4.4 in. |
| March | 41.7 °F | 66.4 °F | 4.65 in. |
| April | 49.4 °F | 74.6 °F | 3.49 in. |
| May | 58.3 °F | 81.6 °F | 3.22 in. |
| June | 66.3 °F | 88.1 °F | 4.27 in. |
| July | 69.9 °F | 91.1 °F | 4.2 in. |
| August | 68.9 °F | 89.6 °F | 4.23 in. |
| September | 62.9 °F | 84.6 °F | 3.93 in. |
| October | 51.5 °F | 75.5 °F | 2.72 in. |
| November | 40.7 °F | 65.3 °F | 3.32 in. |
| December | 35.5 °F | 57.0 °F | 4.46 in. |
| Annual | 51.2 °F | 74 °F | 46.94 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |