Buckner, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.4 °F (low) to 64.7 °F (high). Annual precipitation averages 42.6 Inches. Buckner 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 | 18.4 °F | 37.8 °F | 1.37 in. |
| February | 22.7 °F | 43.4 °F | 1.76 in. |
| March | 32.1 °F | 54.4 °F | 2.63 in. |
| April | 42.3 °F | 65.1 °F | 4.18 in. |
| May | 53.3 °F | 74.6 °F | 5.68 in. |
| June | 63.4 °F | 83.7 °F | 5.45 in. |
| July | 67.5 °F | 87.8 °F | 4.91 in. |
| August | 65.0 °F | 86.8 °F | 4.51 in. |
| September | 56.0 °F | 79.2 °F | 4.44 in. |
| October | 44.0 °F | 67.6 °F | 3.52 in. |
| November | 32.6 °F | 53.5 °F | 2.35 in. |
| December | 23.2 °F | 42.1 °F | 1.76 in. |
| Annual | 43.4 °F | 64.7 °F | 42.56 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |