Springport, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.8 °C (low) to 13.9 °C (high). Annual precipitation averages 930.4 Millimeters. Springport is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.7 °C | -1 °C | 60.71 mm |
| February | -8.4 °C | 0.7 °C | 49.53 mm |
| March | -3.8 °C | 6.3 °C | 58.17 mm |
| April | 2.6 °C | 13.7 °C | 85.09 mm |
| May | 9.2 °C | 20.2 °C | 99.82 mm |
| June | 14.1 °C | 25.3 °C | 98.81 mm |
| July | 15.8 °C | 27.4 °C | 91.19 mm |
| August | 14.8 °C | 26.3 °C | 92.96 mm |
| September | 10.8 °C | 22.8 °C | 81.53 mm |
| October | 4.8 °C | 15.7 °C | 86.61 mm |
| November | -0.8 °C | 8.1 °C | 68.58 mm |
| December | -5.2 °C | 1.7 °C | 57.4 mm |
| Annual | 3.8 °C | 13.9 °C | 930.4 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |