Gonzales, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 58.3 °F (low) to 81.1 °F (high). Annual precipitation averages 35.1 Inches. Gonzales is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 41.0 °F | 63.6 °F | 2.39 in. |
| February | 44.9 °F | 67.2 °F | 1.89 in. |
| March | 51.5 °F | 74.0 °F | 2.73 in. |
| April | 57.9 °F | 80.7 °F | 2.54 in. |
| May | 66.1 °F | 87.3 °F | 4.38 in. |
| June | 71.9 °F | 93.0 °F | 3.41 in. |
| July | 73.3 °F | 96.2 °F | 1.97 in. |
| August | 73.1 °F | 97.2 °F | 2.88 in. |
| September | 68.6 °F | 91.6 °F | 3.54 in. |
| October | 59.3 °F | 83.7 °F | 3.8 in. |
| November | 49.7 °F | 72.8 °F | 2.91 in. |
| December | 42.8 °F | 65.3 °F | 2.7 in. |
| Annual | 58.3 °F | 81.1 °F | 35.14 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |