Sturgis, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.3 °C (low) to 14.6 °C (high). Annual precipitation averages 1001.6 Millimeters. Sturgis 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.6 °C | -0.7 °C | 64.77 mm |
| February | -7.7 °C | 1.2 °C | 52.58 mm |
| March | -3.1 °C | 7.3 °C | 61.47 mm |
| April | 3.1 °C | 14.6 °C | 92.71 mm |
| May | 9.7 °C | 20.8 °C | 107.7 mm |
| June | 15 °C | 26 °C | 106.43 mm |
| July | 16.6 °C | 27.9 °C | 101.35 mm |
| August | 15.5 °C | 26.8 °C | 107.19 mm |
| September | 11.3 °C | 23.7 °C | 84.84 mm |
| October | 5.2 °C | 16.3 °C | 90.93 mm |
| November | -0.3 °C | 8.7 °C | 72.14 mm |
| December | -5.2 °C | 2.2 °C | 59.44 mm |
| Annual | 4.3 °C | 14.6 °C | 1001.55 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |