Lone Jack, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.9 °C (low) to 18.2 °C (high). Annual precipitation averages 1103.6 Millimeters. Lone Jack is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.8 °C | 3.7 °C | 36.07 mm |
| February | -4.7 °C | 6.3 °C | 46.48 mm |
| March | 0.6 °C | 12.4 °C | 72.64 mm |
| April | 6.4 °C | 18.3 °C | 111.51 mm |
| May | 12.4 °C | 23.5 °C | 144.27 mm |
| June | 17.7 °C | 28.6 °C | 143.76 mm |
| July | 20.1 °C | 31.1 °C | 124.21 mm |
| August | 18.9 °C | 30.3 °C | 112.52 mm |
| September | 14.2 °C | 26.3 °C | 111 mm |
| October | 7.4 °C | 19.7 °C | 90.17 mm |
| November | 1.1 °C | 12.3 °C | 63.25 mm |
| December | -4.3 °C | 5.8 °C | 47.75 mm |
| Annual | 6.9 °C | 18.2 °C | 1103.63 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°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 |