Mineral Wells, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.1 °F (low) to 77.1 °F (high). Annual precipitation averages 33.2 Inches. Mineral Wells 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 Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.5 °F | 57.6 °F | 1.78 in. |
| February | 36.2 °F | 61.0 °F | 2.31 in. |
| March | 43.9 °F | 68.9 °F | 2.97 in. |
| April | 51.7 °F | 77.0 °F | 2.75 in. |
| May | 61.6 °F | 83.9 °F | 4.26 in. |
| June | 69.7 °F | 91.4 °F | 3.64 in. |
| July | 73.1 °F | 95.9 °F | 2.02 in. |
| August | 72.5 °F | 96.3 °F | 2.55 in. |
| September | 65.0 °F | 89.0 °F | 2.91 in. |
| October | 53.6 °F | 79.0 °F | 3.67 in. |
| November | 42.7 °F | 67.2 °F | 2.35 in. |
| December | 34.2 °F | 58.5 °F | 1.98 in. |
| Annual | 53.1 °F | 77.1 °F | 33.19 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 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 | Cfa - Humid Subtropical Climate |