Stockdale, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.5 °C (low) to 27.3 °C (high). Annual precipitation averages 822.5 Millimeters. Stockdale is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.7 °C | 17.8 °C | 48.77 mm |
| February | 6.9 °C | 20.1 °C | 47.75 mm |
| March | 10.6 °C | 23.6 °C | 62.74 mm |
| April | 14.2 °C | 27.1 °C | 62.23 mm |
| May | 18.9 °C | 30.7 °C | 105.66 mm |
| June | 22.1 °C | 33.8 °C | 85.09 mm |
| July | 23.1 °C | 35.4 °C | 59.69 mm |
| August | 22.9 °C | 36.1 °C | 65.79 mm |
| September | 20.2 °C | 32.9 °C | 90.68 mm |
| October | 15.1 °C | 28.7 °C | 74.17 mm |
| November | 9.7 °C | 22.8 °C | 60.71 mm |
| December | 5.7 °C | 18.7 °C | 59.18 mm |
| Annual | 14.5 °C | 27.3 °C | 822.46 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 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 |