Zebulon, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.4 °F (low) to 73.5 °F (high). Annual precipitation averages 51.1 Inches. Zebulon 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 | 33.5 °F | 55.2 °F | 4.6 in. |
| February | 36.3 °F | 59.0 °F | 4.71 in. |
| March | 42.4 °F | 66.6 °F | 5.15 in. |
| April | 49.6 °F | 73.8 °F | 4.16 in. |
| May | 58.7 °F | 81.1 °F | 3.34 in. |
| June | 66.0 °F | 86.7 °F | 4.27 in. |
| July | 69.3 °F | 89.5 °F | 5.08 in. |
| August | 68.7 °F | 88.5 °F | 4.2 in. |
| September | 62.9 °F | 83.8 °F | 3.67 in. |
| October | 51.9 °F | 74.8 °F | 3.12 in. |
| November | 41.3 °F | 65.3 °F | 3.87 in. |
| December | 36.1 °F | 57.5 °F | 4.91 in. |
| Annual | 51.4 °F | 73.5 °F | 51.08 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 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 |