Sunset, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.7 °F (low) to 75.1 °F (high). Annual precipitation averages 35.6 Inches. Sunset is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.0 °F | 54.8 °F | 1.66 in. |
| February | 34.6 °F | 58.6 °F | 2.3 in. |
| March | 42.5 °F | 67.0 °F | 3.12 in. |
| April | 50.2 °F | 74.8 °F | 3.08 in. |
| May | 60.2 °F | 81.5 °F | 4.82 in. |
| June | 68.5 °F | 89.5 °F | 4.14 in. |
| July | 72.0 °F | 94.3 °F | 2.25 in. |
| August | 71.3 °F | 94.8 °F | 2.48 in. |
| September | 63.8 °F | 87.2 °F | 3.31 in. |
| October | 52.1 °F | 76.7 °F | 3.86 in. |
| November | 41.6 °F | 65.3 °F | 2.34 in. |
| December | 32.6 °F | 56.1 °F | 2.27 in. |
| Annual | 51.7 °F | 75.1 °F | 35.63 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |