Goliad, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 15.7 °C (low) to 27.8 °C (high). Annual precipitation averages 886.7 Millimeters. Goliad is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Jan. 1 - Jan. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.6 °C | 19 °C | 57.66 mm |
| February | 8.6 °C | 21.1 °C | 43.43 mm |
| March | 12 °C | 24.2 °C | 71.12 mm |
| April | 15.6 °C | 27.5 °C | 64.52 mm |
| May | 19.8 °C | 30.9 °C | 94.74 mm |
| June | 22.7 °C | 33.7 °C | 98.55 mm |
| July | 23.3 °C | 34.9 °C | 81.03 mm |
| August | 23.4 °C | 35.8 °C | 67.82 mm |
| September | 21 °C | 33.1 °C | 108.97 mm |
| October | 16.3 °C | 29.5 °C | 83.57 mm |
| November | 11.2 °C | 24.1 °C | 57.15 mm |
| December | 7.4 °C | 19.9 °C | 58.17 mm |
| Annual | 15.7 °C | 27.8 °C | 886.73 mm |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |