Liberty Hill, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.2 °F (low) to 78.3 °F (high). Annual precipitation averages 33.7 Inches. 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 | 36.6 °F | 60.3 °F | 2.17 in. |
| February | 40.5 °F | 63.6 °F | 2.14 in. |
| March | 47.2 °F | 70.8 °F | 2.75 in. |
| April | 54.1 °F | 78.2 °F | 2.82 in. |
| May | 63.4 °F | 84.6 °F | 4.13 in. |
| June | 70.0 °F | 91.2 °F | 3.15 in. |
| July | 72.1 °F | 94.7 °F | 2.27 in. |
| August | 71.8 °F | 95.7 °F | 2.11 in. |
| September | 66.4 °F | 89.3 °F | 3.38 in. |
| October | 56.3 °F | 80.5 °F | 3.55 in. |
| November | 45.8 °F | 69.2 °F | 2.86 in. |
| December | 37.9 °F | 61.3 °F | 2.35 in. |
| Annual | 55.2 °F | 78.3 °F | 33.68 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |