Garden Ridge, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14 °C (low) to 26.5 °C (high). Annual precipitation averages 873.3 Millimeters. Garden Ridge 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 | 4.1 °C | 16.8 °C | 55.12 mm |
| February | 6.2 °C | 19.2 °C | 50.55 mm |
| March | 9.9 °C | 22.7 °C | 67.06 mm |
| April | 13.6 °C | 26.4 °C | 62.99 mm |
| May | 18.4 °C | 29.9 °C | 100.58 mm |
| June | 21.8 °C | 33.2 °C | 87.88 mm |
| July | 22.8 °C | 34.7 °C | 59.44 mm |
| August | 22.8 °C | 35.4 °C | 59.69 mm |
| September | 19.9 °C | 32.2 °C | 94.23 mm |
| October | 14.7 °C | 27.7 °C | 108.2 mm |
| November | 9.1 °C | 21.8 °C | 69.34 mm |
| December | 5 °C | 17.7 °C | 58.17 mm |
| Annual | 14 °C | 26.5 °C | 873.25 mm |
| 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 : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |