Neosho, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.4 °F (low) to 68.4 °F (high). Annual precipitation averages 48.8 Inches. Neosho is located in USDA Plant Hardiness Zone 7a. 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 | 24.2 °F | 45.1 °F | 2.4 in. |
| February | 27.5 °F | 49.7 °F | 2.32 in. |
| March | 36.1 °F | 59.2 °F | 3.76 in. |
| April | 45.2 °F | 68.5 °F | 5.45 in. |
| May | 55.2 °F | 76.1 °F | 6.62 in. |
| June | 64.4 °F | 84.5 °F | 5.07 in. |
| July | 68.5 °F | 89.3 °F | 4.06 in. |
| August | 66.7 °F | 89.0 °F | 3.73 in. |
| September | 58.5 °F | 81.7 °F | 4.77 in. |
| October | 46.7 °F | 70.8 °F | 4.13 in. |
| November | 36.3 °F | 58.6 °F | 3.68 in. |
| December | 27.6 °F | 48.3 °F | 2.84 in. |
| Annual | 46.4 °F | 68.4 °F | 48.83 in. |
| 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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |