Dacula, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.6 °F (low) to 71.4 °F (high). Annual precipitation averages 54.2 Inches. Dacula 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 | 32.2 °F | 51.9 °F | 4.91 in. |
| February | 34.9 °F | 55.7 °F | 4.75 in. |
| March | 41.1 °F | 63.8 °F | 4.89 in. |
| April | 48.8 °F | 72.1 °F | 4.15 in. |
| May | 57.8 °F | 79.2 °F | 4.13 in. |
| June | 65.7 °F | 85.6 °F | 4.75 in. |
| July | 69.2 °F | 88.6 °F | 4.8 in. |
| August | 68.4 °F | 87.6 °F | 4.82 in. |
| September | 62.4 °F | 82.3 °F | 4.3 in. |
| October | 51.1 °F | 73.1 °F | 3.69 in. |
| November | 40.4 °F | 62.7 °F | 4.19 in. |
| December | 35.1 °F | 54.4 °F | 4.84 in. |
| Annual | 50.6 °F | 71.4 °F | 54.22 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 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |