Louisburg, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.4 °C (low) to 19.2 °C (high). Annual precipitation averages 1146.1 Millimeters. Louisburg 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.2 °C | 5.7 °C | 55.37 mm |
| February | -3.2 °C | 8.6 °C | 54.61 mm |
| March | 1.6 °C | 14 °C | 84.84 mm |
| April | 6.7 °C | 19.6 °C | 124.46 mm |
| May | 12.3 °C | 24 °C | 143 mm |
| June | 17.2 °C | 28.6 °C | 114.55 mm |
| July | 19.5 °C | 31.1 °C | 106.43 mm |
| August | 18.6 °C | 30.7 °C | 103.63 mm |
| September | 14.1 °C | 26.7 °C | 112.27 mm |
| October | 7.6 °C | 20.5 °C | 92.46 mm |
| November | 2 °C | 13.3 °C | 89.41 mm |
| December | -2.8 °C | 7.6 °C | 65.02 mm |
| Annual | 7.4 °C | 19.2 °C | 1146.05 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 |