Springfield, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.5 °C (low) to 19.2 °C (high). Annual precipitation averages 1212.4 Millimeters. Springfield is located in USDA Plant Hardiness Zone 6b. 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 | -4.9 °C | 5.9 °C | 68.58 mm |
| February | -3.1 °C | 8.7 °C | 62.74 mm |
| March | 1.6 °C | 13.9 °C | 105.16 mm |
| April | 6.9 °C | 19.3 °C | 114.81 mm |
| May | 12.6 °C | 23.7 °C | 153.16 mm |
| June | 17.4 °C | 28.5 °C | 123.7 mm |
| July | 19.7 °C | 31 °C | 107.7 mm |
| August | 18.7 °C | 30.8 °C | 83.06 mm |
| September | 14.3 °C | 26.8 °C | 121.41 mm |
| October | 7.8 °C | 20.5 °C | 98.81 mm |
| November | 1.7 °C | 13.5 °C | 99.31 mm |
| December | -2.9 °C | 7.8 °C | 73.91 mm |
| Annual | 7.5 °C | 19.2 °C | 1212.35 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 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 |