Bellaire, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.4 °F (low) to 54.8 °F (high). Annual precipitation averages 33.7 Inches. Bellaire is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.9 °F | 27.9 °F | 2.19 in. |
| February | 13.2 °F | 29.9 °F | 1.53 in. |
| March | 19.4 °F | 39.5 °F | 1.79 in. |
| April | 31.3 °F | 53.0 °F | 2.91 in. |
| May | 42.2 °F | 66.2 °F | 3.07 in. |
| June | 52.0 °F | 75.5 °F | 3.17 in. |
| July | 56.5 °F | 79.7 °F | 2.86 in. |
| August | 55.5 °F | 78.4 °F | 3.22 in. |
| September | 48.5 °F | 71.5 °F | 3.59 in. |
| October | 38.7 °F | 57.5 °F | 4.08 in. |
| November | 30.4 °F | 44.5 °F | 2.85 in. |
| December | 22.2 °F | 33.4 °F | 2.42 in. |
| Annual | 35.4 °F | 54.8 °F | 33.68 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| 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 |