Neelyville, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.4 °C (low) to 20.5 °C (high). Annual precipitation averages 1267.5 Millimeters. Neelyville is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.6 °C | 6.9 °C | 87.63 mm |
| February | -0.7 °C | 9.8 °C | 93.47 mm |
| March | 3.7 °C | 15.1 °C | 117.09 mm |
| April | 9.2 °C | 21.3 °C | 141.48 mm |
| May | 14.8 °C | 26.1 °C | 131.32 mm |
| June | 19.6 °C | 30.3 °C | 91.69 mm |
| July | 21.5 °C | 31.8 °C | 106.68 mm |
| August | 20.1 °C | 31.3 °C | 82.55 mm |
| September | 15.7 °C | 28.1 °C | 89.41 mm |
| October | 8.9 °C | 22.3 °C | 98.3 mm |
| November | 3.4 °C | 14.7 °C | 117.6 mm |
| December | -0.9 °C | 8.6 °C | 110.24 mm |
| Annual | 9.4 °C | 20.5 °C | 1267.46 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |