Lasana, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 64.7 °F (low) to 84.7 °F (high). Annual precipitation averages 26.4 Inches. Lasana is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 50.1 °F | 70.6 °F | 1.05 in. |
| February | 54.0 °F | 74.8 °F | 1.17 in. |
| March | 59.3 °F | 79.7 °F | 1.35 in. |
| April | 65.3 °F | 85.3 °F | 1.47 in. |
| May | 71.5 °F | 90.0 °F | 2.37 in. |
| June | 75.3 °F | 94.3 °F | 2.72 in. |
| July | 76.2 °F | 95.3 °F | 2.39 in. |
| August | 76.1 °F | 96.5 °F | 2.04 in. |
| September | 73.1 °F | 91.8 °F | 5.51 in. |
| October | 66.0 °F | 87.0 °F | 3.31 in. |
| November | 57.8 °F | 78.6 °F | 1.66 in. |
| December | 51.5 °F | 71.9 °F | 1.37 in. |
| Annual | 64.7 °F | 84.7 °F | 26.41 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |