South Range, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31.9 °F (low) to 50.8 °F (high). Annual precipitation averages 34.7 Inches. South Range 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 Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.1 °F | 22.1 °F | 3.2 in. |
| February | 7.8 °F | 25.4 °F | 1.57 in. |
| March | 15.4 °F | 35.7 °F | 1.68 in. |
| April | 28.3 °F | 48.5 °F | 2.63 in. |
| May | 40.3 °F | 63.1 °F | 3.23 in. |
| June | 49.8 °F | 72.8 °F | 3.03 in. |
| July | 55.3 °F | 77.6 °F | 3.22 in. |
| August | 54.2 °F | 76.2 °F | 2.88 in. |
| September | 47.2 °F | 68.1 °F | 3.47 in. |
| October | 36.0 °F | 54.2 °F | 3.69 in. |
| November | 25.1 °F | 38.5 °F | 2.73 in. |
| December | 14.9 °F | 27.5 °F | 3.35 in. |
| Annual | 31.9 °F | 50.8 °F | 34.68 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| 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 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |