Baldwin, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.8 °F (low) to 56.3 °F (high). Annual precipitation averages 36.3 Inches. Baldwin 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 | 13.8 °F | 29.1 °F | 2.53 in. |
| February | 13.2 °F | 32.1 °F | 1.86 in. |
| March | 20.3 °F | 42.3 °F | 2.28 in. |
| April | 31.6 °F | 55.5 °F | 3.64 in. |
| May | 43.0 °F | 68.3 °F | 3.46 in. |
| June | 52.5 °F | 77.5 °F | 3.89 in. |
| July | 56.4 °F | 81.1 °F | 3.12 in. |
| August | 54.7 °F | 79.4 °F | 3.11 in. |
| September | 47.4 °F | 72.2 °F | 3.25 in. |
| October | 36.9 °F | 58.8 °F | 3.88 in. |
| November | 28.2 °F | 45.0 °F | 3.08 in. |
| December | 20.1 °F | 34.0 °F | 2.2 in. |
| Annual | 34.8 °F | 56.3 °F | 36.3 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 |