Texline, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 39.8 °F (low) to 69.2 °F (high). Annual precipitation averages 16.6 Inches. Texline is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.5 °F | 49.2 °F | 0.27 in. |
| February | 22.5 °F | 52.3 °F | 0.34 in. |
| March | 29.4 °F | 60.6 °F | 0.91 in. |
| April | 36.7 °F | 67.7 °F | 1.07 in. |
| May | 46.9 °F | 76.8 °F | 2.08 in. |
| June | 56.8 °F | 86.8 °F | 1.96 in. |
| July | 61.5 °F | 90.3 °F | 3.11 in. |
| August | 60.2 °F | 87.6 °F | 3.06 in. |
| September | 52.7 °F | 81.4 °F | 1.6 in. |
| October | 40.0 °F | 70.3 °F | 1.36 in. |
| November | 28.9 °F | 58.5 °F | 0.52 in. |
| December | 21.1 °F | 48.8 °F | 0.33 in. |
| Annual | 39.8 °F | 69.2 °F | 16.61 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |