Monett, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.6 °C (low) to 19.5 °C (high). Annual precipitation averages 1194.1 Millimeters. Monett 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 | -4.7 °C | 6.4 °C | 66.55 mm |
| February | -2.8 °C | 8.9 °C | 58.93 mm |
| March | 1.9 °C | 14.2 °C | 98.55 mm |
| April | 6.9 °C | 19.3 °C | 119.89 mm |
| May | 12.4 °C | 23.7 °C | 148.08 mm |
| June | 17.4 °C | 28.6 °C | 124.97 mm |
| July | 19.7 °C | 31.3 °C | 100.08 mm |
| August | 18.8 °C | 31.2 °C | 86.36 mm |
| September | 14.4 °C | 26.9 °C | 123.7 mm |
| October | 8 °C | 20.9 °C | 94.23 mm |
| November | 2.2 °C | 13.9 °C | 99.31 mm |
| December | -2.7 °C | 8.3 °C | 73.41 mm |
| Annual | 7.6 °C | 19.5 °C | 1194.06 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 |