Liberty, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 59.6 °F (low) to 78.8 °F (high). Annual precipitation averages 63.1 Inches. Liberty is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 42.7 °F | 62.4 °F | 4.98 in. |
| February | 46.2 °F | 66.0 °F | 3.93 in. |
| March | 52.6 °F | 71.8 °F | 4.09 in. |
| April | 59.2 °F | 78.2 °F | 4.6 in. |
| May | 67.0 °F | 84.8 °F | 5.79 in. |
| June | 73.0 °F | 90.4 °F | 5.54 in. |
| July | 74.9 °F | 92.6 °F | 4.86 in. |
| August | 74.5 °F | 93.4 °F | 6.2 in. |
| September | 69.8 °F | 89.1 °F | 6.18 in. |
| October | 60.4 °F | 81.7 °F | 6.77 in. |
| November | 50.5 °F | 71.6 °F | 4.77 in. |
| December | 44.4 °F | 64.1 °F | 5.34 in. |
| Annual | 59.6 °F | 78.8 °F | 63.05 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |