Laguna Vista, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 67.4 °F (low) to 81.7 °F (high). Annual precipitation averages 27.2 Inches. Laguna Vista is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 53.1 °F | 68.9 °F | 1.76 in. |
| February | 56.4 °F | 72.1 °F | 1.47 in. |
| March | 61.7 °F | 76.4 °F | 1.28 in. |
| April | 67.5 °F | 81.3 °F | 1.38 in. |
| May | 73.5 °F | 86.3 °F | 1.93 in. |
| June | 77.3 °F | 90.3 °F | 2.44 in. |
| July | 78.1 °F | 91.4 °F | 1.94 in. |
| August | 78.4 °F | 92.4 °F | 1.47 in. |
| September | 75.9 °F | 89.1 °F | 5.87 in. |
| October | 70.6 °F | 84.4 °F | 3.63 in. |
| November | 62.1 °F | 76.9 °F | 2.35 in. |
| December | 54.7 °F | 70.8 °F | 1.66 in. |
| Annual | 67.4 °F | 81.7 °F | 27.18 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10b : 35°F to 30°F |
| Plant Hardiness Zone - 2012 | Zone 10a : 30°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |