Cactus, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 42.2 °F (low) to 71.3 °F (high). Annual precipitation averages 17.2 Inches. Cactus 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 | 21.9 °F | 50.1 °F | 0.43 in. |
| February | 24.3 °F | 53.7 °F | 0.33 in. |
| March | 31.4 °F | 62.6 °F | 0.98 in. |
| April | 39.4 °F | 70.4 °F | 1.26 in. |
| May | 50.0 °F | 79.8 °F | 2.01 in. |
| June | 60.3 °F | 89.3 °F | 2.55 in. |
| July | 64.7 °F | 92.7 °F | 2.78 in. |
| August | 63.2 °F | 90.7 °F | 2.7 in. |
| September | 55.4 °F | 83.8 °F | 1.34 in. |
| October | 42.7 °F | 72.6 °F | 1.69 in. |
| November | 30.7 °F | 60.2 °F | 0.49 in. |
| December | 22.8 °F | 50.1 °F | 0.61 in. |
| Annual | 42.2 °F | 71.3 °F | 17.17 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 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |