Stockton, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13 °C (low) to 26 °C (high). Annual precipitation averages 1288 Millimeters. Stockton is located in USDA Plant Hardiness Zone 9a. 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 | 3.8 °C | 16.9 °C | 116.59 mm |
| February | 5.4 °C | 19 °C | 98.3 mm |
| March | 8.4 °C | 22.6 °C | 118.62 mm |
| April | 12.1 °C | 26.2 °C | 87.63 mm |
| May | 16.3 °C | 30 °C | 76.45 mm |
| June | 20.4 °C | 32.6 °C | 148.59 mm |
| July | 21.8 °C | 33.6 °C | 143 mm |
| August | 21.7 °C | 33.1 °C | 156.46 mm |
| September | 19.4 °C | 31 °C | 111.25 mm |
| October | 13.7 °C | 26.9 °C | 81.53 mm |
| November | 7.8 °C | 21.7 °C | 62.23 mm |
| December | 5.1 °C | 18.2 °C | 87.38 mm |
| Annual | 13 °C | 26 °C | 1288.03 mm |
| 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 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |