Wellington, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 47.5 °F (low) to 75.6 °F (high). Annual precipitation averages 23.9 Inches. Wellington is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.0 °F | 53.6 °F | 0.75 in. |
| February | 29.2 °F | 57.4 °F | 0.88 in. |
| March | 37.2 °F | 66.8 °F | 1.44 in. |
| April | 45.5 °F | 76.3 °F | 1.99 in. |
| May | 56.1 °F | 84.1 °F | 3.75 in. |
| June | 65.6 °F | 92.2 °F | 3.38 in. |
| July | 69.3 °F | 96.6 °F | 2.3 in. |
| August | 68.1 °F | 95.7 °F | 2.57 in. |
| September | 60.5 °F | 88.1 °F | 2.63 in. |
| October | 48.2 °F | 77.5 °F | 1.84 in. |
| November | 36.1 °F | 64.3 °F | 1.28 in. |
| December | 27.8 °F | 54.0 °F | 1.08 in. |
| Annual | 47.5 °F | 75.6 °F | 23.89 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |