Milo, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.8 °C (low) to 19.5 °C (high). Annual precipitation averages 1158 Millimeters. Milo is located in USDA Plant Hardiness Zone 7a. 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 | -5.2 °C | 5.7 °C | 44.96 mm |
| February | -3.2 °C | 8.5 °C | 50.29 mm |
| March | 1.8 °C | 14.1 °C | 81.53 mm |
| April | 7.2 °C | 19.6 °C | 125.48 mm |
| May | 12.9 °C | 24.3 °C | 162.81 mm |
| June | 18.2 °C | 29.3 °C | 137.67 mm |
| July | 20.5 °C | 31.8 °C | 115.82 mm |
| August | 19.3 °C | 31.4 °C | 96.01 mm |
| September | 14.7 °C | 27.2 °C | 114.3 mm |
| October | 8 °C | 21 °C | 90.93 mm |
| November | 2 °C | 13.8 °C | 77.98 mm |
| December | -2.9 °C | 7.7 °C | 60.2 mm |
| Annual | 7.8 °C | 19.5 °C | 1157.98 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |