Boyne Falls, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.8 °F (low) to 55.3 °F (high). Annual precipitation averages 35.9 Inches. Boyne Falls is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.8 °F | 27.6 °F | 2.56 in. |
| February | 12.3 °F | 30.0 °F | 1.7 in. |
| March | 18.8 °F | 39.9 °F | 1.86 in. |
| April | 30.6 °F | 53.5 °F | 2.98 in. |
| May | 42.0 °F | 67.6 °F | 3.17 in. |
| June | 51.7 °F | 76.7 °F | 3.24 in. |
| July | 56.1 °F | 80.8 °F | 2.88 in. |
| August | 55.1 °F | 79.6 °F | 3.42 in. |
| September | 48.3 °F | 72.3 °F | 3.78 in. |
| October | 38.4 °F | 58.4 °F | 4.41 in. |
| November | 29.9 °F | 44.2 °F | 3.18 in. |
| December | 21.1 °F | 33.0 °F | 2.7 in. |
| Annual | 34.8 °F | 55.3 °F | 35.88 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°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 |