Weston Lakes, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 59 °F (low) to 79.8 °F (high). Annual precipitation averages 50 Inches. Weston Lakes is located in USDA Plant Hardiness Zone 9a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 42.4 °F | 62.9 °F | 3.8 in. |
| February | 46.1 °F | 66.6 °F | 2.91 in. |
| March | 52.4 °F | 73.2 °F | 3.55 in. |
| April | 58.5 °F | 79.5 °F | 3.96 in. |
| May | 66.7 °F | 86.1 °F | 4.89 in. |
| June | 72.4 °F | 91.2 °F | 4.98 in. |
| July | 73.6 °F | 93.3 °F | 3.48 in. |
| August | 73.5 °F | 95.0 °F | 4.85 in. |
| September | 69.3 °F | 90.2 °F | 4.71 in. |
| October | 59.5 °F | 82.6 °F | 4.56 in. |
| November | 50.3 °F | 72.5 °F | 4.37 in. |
| December | 43.8 °F | 64.9 °F | 3.94 in. |
| Annual | 59 °F | 79.8 °F | 50 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |