Estelline, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 48 °F (low) to 75.5 °F (high). Annual precipitation averages 23.5 Inches. Estelline is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.2 °F | 54.0 °F | 0.81 in. |
| February | 29.6 °F | 57.6 °F | 0.94 in. |
| March | 37.7 °F | 67.4 °F | 1.49 in. |
| April | 46.0 °F | 76.2 °F | 2.22 in. |
| May | 56.8 °F | 83.6 °F | 3.33 in. |
| June | 66.5 °F | 91.9 °F | 3.44 in. |
| July | 70.1 °F | 96.2 °F | 2.15 in. |
| August | 69.0 °F | 95.4 °F | 2.5 in. |
| September | 61.3 °F | 87.4 °F | 2.63 in. |
| October | 48.8 °F | 76.8 °F | 1.89 in. |
| November | 36.5 °F | 64.7 °F | 1.18 in. |
| December | 27.8 °F | 54.4 °F | 0.94 in. |
| Annual | 48 °F | 75.5 °F | 23.52 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |