Liberty, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.4 °C (low) to 18.1 °C (high). Annual precipitation averages 1057.7 Millimeters. Liberty is located in USDA Plant Hardiness Zone 6a. 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 | -7.5 °C | 3.3 °C | 31.75 mm |
| February | -5.3 °C | 6.2 °C | 40.13 mm |
| March | 0.1 °C | 12.6 °C | 62.48 mm |
| April | 5.8 °C | 18.2 °C | 101.6 mm |
| May | 12 °C | 23.5 °C | 143.51 mm |
| June | 17.4 °C | 28.7 °C | 138.94 mm |
| July | 19.8 °C | 31 °C | 120.4 mm |
| August | 18.5 °C | 30.4 °C | 118.62 mm |
| September | 13.5 °C | 26.2 °C | 113.03 mm |
| October | 6.8 °C | 19.7 °C | 88.39 mm |
| November | 0.4 °C | 11.9 °C | 56.13 mm |
| December | -4.9 °C | 5.6 °C | 42.67 mm |
| Annual | 6.4 °C | 18.1 °C | 1057.65 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 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |