Lorenzo, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 46.5 °F (low) to 74.1 °F (high). Annual precipitation averages 19.8 Inches. Lorenzo 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 | 26.1 °F | 54.2 °F | 0.66 in. |
| February | 29.1 °F | 58.7 °F | 0.82 in. |
| March | 36.5 °F | 66.8 °F | 1.22 in. |
| April | 44.3 °F | 74.9 °F | 1.52 in. |
| May | 54.9 °F | 82.8 °F | 2.64 in. |
| June | 64.1 °F | 90.2 °F | 3.0 in. |
| July | 67.5 °F | 92.5 °F | 2.26 in. |
| August | 66.1 °F | 91.6 °F | 2.08 in. |
| September | 58.8 °F | 84.4 °F | 2.53 in. |
| October | 47.3 °F | 75.1 °F | 1.43 in. |
| November | 35.4 °F | 63.5 °F | 0.92 in. |
| December | 27.6 °F | 54.8 °F | 0.68 in. |
| Annual | 46.5 °F | 74.1 °F | 19.76 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 | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |