Fort Stockton, Texas has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 11.2 °C (low) to 26.6 °C (high). Annual precipitation averages 318.8 Millimeters. Fort Stockton is located in USDA Plant Hardiness Zone 8b. 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 | 0.8 °C | 15.9 °C | 16 mm |
| February | 2.7 °C | 18.9 °C | 10.92 mm |
| March | 6.4 °C | 23.2 °C | 16.76 mm |
| April | 10.5 °C | 27.8 °C | 12.7 mm |
| May | 15.8 °C | 31.9 °C | 30.23 mm |
| June | 20.1 °C | 35.3 °C | 35.05 mm |
| July | 21.3 °C | 35.2 °C | 47.24 mm |
| August | 20.9 °C | 34.9 °C | 50.8 mm |
| September | 17.4 °C | 31.2 °C | 48.51 mm |
| October | 11.7 °C | 27.1 °C | 23.88 mm |
| November | 5.1 °C | 20.9 °C | 13.97 mm |
| December | 1.2 °C | 16.4 °C | 12.7 mm |
| Annual | 11.2 °C | 26.6 °C | 318.76 mm |
| 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 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |