Springfield, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.4 °C (low) to 20.4 °C (high). Annual precipitation averages 1333.8 Millimeters. Springfield 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 | -2.9 °C | 7.3 °C | 100.84 mm |
| February | -1.3 °C | 9.9 °C | 112.78 mm |
| March | 2.6 °C | 15 °C | 121.41 mm |
| April | 7.7 °C | 20.7 °C | 130.56 mm |
| May | 13.2 °C | 25.2 °C | 139.7 mm |
| June | 17.9 °C | 29.6 °C | 107.19 mm |
| July | 19.9 °C | 31.4 °C | 115.06 mm |
| August | 18.8 °C | 31.3 °C | 93.73 mm |
| September | 15 °C | 28.1 °C | 98.04 mm |
| October | 8.5 °C | 21.9 °C | 98.04 mm |
| November | 2.6 °C | 15 °C | 94.74 mm |
| December | -0.8 °C | 9.3 °C | 121.67 mm |
| Annual | 8.4 °C | 20.4 °C | 1333.76 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |