Turner, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.6 °F (low) to 55.8 °F (high). Annual precipitation averages 32 Inches. Turner is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.5 °F | 28.8 °F | 1.81 in. |
| February | 12.6 °F | 31.7 °F | 1.55 in. |
| March | 20.4 °F | 41.0 °F | 1.78 in. |
| April | 31.7 °F | 53.9 °F | 3.2 in. |
| May | 43.5 °F | 66.7 °F | 3.44 in. |
| June | 53.4 °F | 76.5 °F | 3.47 in. |
| July | 58.2 °F | 80.7 °F | 3.08 in. |
| August | 57.0 °F | 79.1 °F | 3.39 in. |
| September | 50.0 °F | 72.3 °F | 2.74 in. |
| October | 39.1 °F | 59.0 °F | 3.23 in. |
| November | 29.3 °F | 45.2 °F | 2.37 in. |
| December | 20.0 °F | 34.2 °F | 1.9 in. |
| Annual | 35.6 °F | 55.8 °F | 31.96 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |