Wheeler, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.4 °F (low) to 72.2 °F (high). Annual precipitation averages 22.9 Inches. Wheeler is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.0 °F | 50.8 °F | 0.79 in. |
| February | 26.6 °F | 54.2 °F | 0.8 in. |
| March | 35.0 °F | 63.5 °F | 1.42 in. |
| April | 43.2 °F | 71.9 °F | 2.2 in. |
| May | 53.7 °F | 80.2 °F | 3.29 in. |
| June | 63.5 °F | 88.6 °F | 3.2 in. |
| July | 67.7 °F | 93.5 °F | 2.17 in. |
| August | 66.3 °F | 92.6 °F | 2.37 in. |
| September | 58.6 °F | 84.4 °F | 2.27 in. |
| October | 46.0 °F | 73.5 °F | 2.24 in. |
| November | 34.1 °F | 61.4 °F | 1.09 in. |
| December | 25.7 °F | 51.2 °F | 1.06 in. |
| Annual | 45.4 °F | 72.2 °F | 22.9 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |