Newington, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.4 °F (low) to 77.2 °F (high). Annual precipitation averages 48.3 Inches. Newington is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 36.6 °F | 60.1 °F | 3.95 in. |
| February | 39.4 °F | 63.6 °F | 3.75 in. |
| March | 45.3 °F | 70.6 °F | 3.81 in. |
| April | 52.5 °F | 77.8 °F | 3.27 in. |
| May | 61.2 °F | 84.6 °F | 3.33 in. |
| June | 68.9 °F | 90.2 °F | 5.49 in. |
| July | 72.0 °F | 92.7 °F | 5.15 in. |
| August | 71.5 °F | 91.0 °F | 5.67 in. |
| September | 66.5 °F | 86.4 °F | 4.22 in. |
| October | 55.5 °F | 78.4 °F | 2.72 in. |
| November | 44.4 °F | 69.0 °F | 2.81 in. |
| December | 39.1 °F | 62.1 °F | 4.11 in. |
| Annual | 54.4 °F | 77.2 °F | 48.28 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |