Fort Hancock, Texas has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 48.4 °F (low) to 80.1 °F (high). Annual precipitation averages 7.9 Inches. Fort Hancock is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.7 °F | 60.6 °F | 0.36 in. |
| February | 33.2 °F | 66.1 °F | 0.38 in. |
| March | 39.9 °F | 73.8 °F | 0.25 in. |
| April | 46.9 °F | 82.0 °F | 0.19 in. |
| May | 55.5 °F | 90.4 °F | 0.45 in. |
| June | 65.2 °F | 97.7 °F | 0.66 in. |
| July | 68.9 °F | 96.2 °F | 1.46 in. |
| August | 67.5 °F | 94.3 °F | 1.36 in. |
| September | 61.2 °F | 89.2 °F | 1.03 in. |
| October | 48.9 °F | 81.5 °F | 0.85 in. |
| November | 36.3 °F | 69.6 °F | 0.35 in. |
| December | 28.9 °F | 59.8 °F | 0.59 in. |
| Annual | 48.4 °F | 80.1 °F | 7.93 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BWk - Cold Desert Climate |