Bear Lake, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37.1 °F (low) to 54.6 °F (high). Annual precipitation averages 36 Inches. Bear Lake 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 | 16.5 °F | 28.1 °F | 2.36 in. |
| February | 16.5 °F | 30.7 °F | 1.67 in. |
| March | 22.5 °F | 40.2 °F | 2.1 in. |
| April | 33.0 °F | 52.5 °F | 3.32 in. |
| May | 43.9 °F | 65.3 °F | 3.44 in. |
| June | 53.4 °F | 75.1 °F | 3.3 in. |
| July | 58.1 °F | 79.1 °F | 3.07 in. |
| August | 57.3 °F | 77.7 °F | 3.21 in. |
| September | 50.4 °F | 71.1 °F | 3.68 in. |
| October | 40.0 °F | 57.6 °F | 4.26 in. |
| November | 30.9 °F | 44.0 °F | 3.06 in. |
| December | 22.5 °F | 33.3 °F | 2.5 in. |
| Annual | 37.1 °F | 54.6 °F | 35.97 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |