Butterfield, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.9 °F (low) to 67 °F (high). Annual precipitation averages 45.7 Inches. Butterfield 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.2 °F | 44.2 °F | 2.78 in. |
| February | 27.6 °F | 48.6 °F | 2.22 in. |
| March | 35.9 °F | 57.9 °F | 3.81 in. |
| April | 44.8 °F | 66.8 °F | 4.55 in. |
| May | 53.9 °F | 74.2 °F | 5.56 in. |
| June | 62.8 °F | 82.8 °F | 4.48 in. |
| July | 66.8 °F | 87.4 °F | 3.6 in. |
| August | 65.6 °F | 87.7 °F | 3.29 in. |
| September | 58.1 °F | 80.3 °F | 4.83 in. |
| October | 46.9 °F | 69.4 °F | 3.95 in. |
| November | 36.3 °F | 57.4 °F | 3.57 in. |
| December | 27.7 °F | 47.0 °F | 3.03 in. |
| Annual | 45.9 °F | 67 °F | 45.67 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 |