Liberty Hill, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.9 °C (low) to 25.7 °C (high). Annual precipitation averages 855.5 Millimeters. Liberty Hill is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.6 °C | 15.7 °C | 55.12 mm |
| February | 4.7 °C | 17.6 °C | 54.36 mm |
| March | 8.4 °C | 21.6 °C | 69.85 mm |
| April | 12.3 °C | 25.7 °C | 71.63 mm |
| May | 17.4 °C | 29.2 °C | 104.9 mm |
| June | 21.1 °C | 32.9 °C | 80.01 mm |
| July | 22.3 °C | 34.8 °C | 57.66 mm |
| August | 22.1 °C | 35.4 °C | 53.59 mm |
| September | 19.1 °C | 31.8 °C | 85.85 mm |
| October | 13.5 °C | 26.9 °C | 90.17 mm |
| November | 7.7 °C | 20.7 °C | 72.64 mm |
| December | 3.3 °C | 16.3 °C | 59.69 mm |
| Annual | 12.9 °C | 25.7 °C | 855.47 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |