Hubbardston, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38 °F (low) to 57.3 °F (high). Annual precipitation averages 35.4 Inches. Hubbardston 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.4 °F | 29.6 °F | 2.26 in. |
| February | 16.0 °F | 32.4 °F | 1.96 in. |
| March | 24.2 °F | 43.1 °F | 2.19 in. |
| April | 34.8 °F | 56.6 °F | 3.56 in. |
| May | 46.6 °F | 68.8 °F | 3.96 in. |
| June | 56.8 °F | 78.5 °F | 3.57 in. |
| July | 60.1 °F | 82.2 °F | 3.25 in. |
| August | 58.4 °F | 80.2 °F | 3.52 in. |
| September | 50.2 °F | 73.5 °F | 2.97 in. |
| October | 39.9 °F | 60.6 °F | 3.33 in. |
| November | 30.8 °F | 46.8 °F | 2.71 in. |
| December | 22.2 °F | 35.1 °F | 2.14 in. |
| Annual | 38 °F | 57.3 °F | 35.42 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |