Chassell, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 31 °F (low) to 51.8 °F (high). Annual precipitation averages 33.5 Inches. Chassell is located in USDA Plant Hardiness Zone 5a. 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 | 8.5 °F | 23.7 °F | 2.93 in. |
| February | 6.9 °F | 26.9 °F | 1.54 in. |
| March | 14.9 °F | 37.1 °F | 1.65 in. |
| April | 26.5 °F | 48.8 °F | 2.51 in. |
| May | 37.7 °F | 62.4 °F | 3.25 in. |
| June | 47.4 °F | 72.7 °F | 3.02 in. |
| July | 53.7 °F | 78.0 °F | 3.13 in. |
| August | 53.0 °F | 76.8 °F | 2.92 in. |
| September | 46.5 °F | 69.4 °F | 3.4 in. |
| October | 35.4 °F | 55.4 °F | 3.49 in. |
| November | 25.8 °F | 40.6 °F | 2.54 in. |
| December | 15.5 °F | 29.6 °F | 3.13 in. |
| Annual | 31 °F | 51.8 °F | 33.51 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 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 |