Hull, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.5 °C (low) to 22.6 °C (high). Annual precipitation averages 1302 Millimeters. Hull 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 | 0.3 °C | 12.1 °C | 118.11 mm |
| February | 1.9 °C | 14.1 °C | 115.06 mm |
| March | 5.3 °C | 18.5 °C | 115.57 mm |
| April | 9.6 °C | 23 °C | 95.5 mm |
| May | 14.5 °C | 26.8 °C | 89.15 mm |
| June | 18.9 °C | 30.4 °C | 127.51 mm |
| July | 20.8 °C | 32 °C | 108.71 mm |
| August | 20.3 °C | 31.2 °C | 115.06 mm |
| September | 17 °C | 28.4 °C | 101.85 mm |
| October | 10.8 °C | 23.1 °C | 92.2 mm |
| November | 4.6 °C | 17.8 °C | 99.06 mm |
| December | 1.7 °C | 13.2 °C | 124.21 mm |
| Annual | 10.5 °C | 22.6 °C | 1301.99 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |