Varnell, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.1 °F (low) to 71.1 °F (high). Annual precipitation averages 56.6 Inches. Varnell is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.4 °F | 50.0 °F | 5.43 in. |
| February | 32.9 °F | 54.2 °F | 5.02 in. |
| March | 39.4 °F | 62.7 °F | 5.76 in. |
| April | 47.4 °F | 72.1 °F | 4.69 in. |
| May | 56.7 °F | 79.5 °F | 4.39 in. |
| June | 64.8 °F | 85.9 °F | 4.37 in. |
| July | 68.4 °F | 89.0 °F | 4.55 in. |
| August | 67.4 °F | 88.5 °F | 4.19 in. |
| September | 61.1 °F | 83.5 °F | 4.44 in. |
| October | 48.8 °F | 73.1 °F | 3.3 in. |
| November | 38.0 °F | 61.7 °F | 4.53 in. |
| December | 33.4 °F | 52.7 °F | 5.91 in. |
| Annual | 49.1 °F | 71.1 °F | 56.58 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |