Prairie Home, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45 °F (low) to 65.2 °F (high). Annual precipitation averages 42.7 Inches. Prairie Home is located in USDA Plant Hardiness Zone 6b. 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 | 21.1 °F | 39.0 °F | 2.0 in. |
| February | 25.0 °F | 44.4 °F | 2.16 in. |
| March | 34.1 °F | 55.3 °F | 2.99 in. |
| April | 44.2 °F | 65.9 °F | 4.7 in. |
| May | 54.7 °F | 74.8 °F | 5.09 in. |
| June | 63.7 °F | 83.2 °F | 4.61 in. |
| July | 67.6 °F | 87.5 °F | 4.5 in. |
| August | 65.6 °F | 86.8 °F | 3.82 in. |
| September | 57.2 °F | 79.6 °F | 4.14 in. |
| October | 45.7 °F | 67.8 °F | 3.54 in. |
| November | 34.9 °F | 54.4 °F | 2.93 in. |
| December | 25.7 °F | 43.1 °F | 2.2 in. |
| Annual | 45 °F | 65.2 °F | 42.68 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 6b : -5°F to 0°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 |