Liberty, Kansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.2 °C (low) to 20.4 °C (high). Annual precipitation averages 1127.5 Millimeters. Liberty is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.9 °C | 6.9 °C | 39.12 mm |
| February | -3.1 °C | 9.6 °C | 46.99 mm |
| March | 2.2 °C | 15.1 °C | 74.42 mm |
| April | 7.6 °C | 20.3 °C | 116.08 mm |
| May | 13.6 °C | 24.8 °C | 177.04 mm |
| June | 18.8 °C | 29.9 °C | 140.97 mm |
| July | 21.1 °C | 32.8 °C | 105.66 mm |
| August | 20.1 °C | 32.5 °C | 104.14 mm |
| September | 15.3 °C | 28.1 °C | 104.39 mm |
| October | 8.4 °C | 21.8 °C | 99.57 mm |
| November | 2.2 °C | 14.7 °C | 65.28 mm |
| December | -3.1 °C | 8.6 °C | 53.85 mm |
| Annual | 8.2 °C | 20.4 °C | 1127.51 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |