Nixa, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.3 °C (low) to 19.3 °C (high). Annual precipitation averages 1177.5 Millimeters. Nixa 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 | -4.9 °C | 6.1 °C | 68.83 mm |
| February | -3.2 °C | 8.8 °C | 63.5 mm |
| March | 1.4 °C | 13.9 °C | 108.71 mm |
| April | 6.6 °C | 19.6 °C | 118.87 mm |
| May | 12.3 °C | 23.8 °C | 135.64 mm |
| June | 17.2 °C | 28.6 °C | 115.57 mm |
| July | 19.5 °C | 31.1 °C | 106.17 mm |
| August | 18.5 °C | 30.9 °C | 82.04 mm |
| September | 14.1 °C | 27 °C | 117.09 mm |
| October | 7.5 °C | 20.7 °C | 93.22 mm |
| November | 1.4 °C | 13.7 °C | 96.77 mm |
| December | -3.1 °C | 7.9 °C | 71.12 mm |
| Annual | 7.3 °C | 19.3 °C | 1177.53 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 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |