Ellsworth, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.4 °F (low) to 53.7 °F (high). Annual precipitation averages 33.5 Inches. Ellsworth 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 | 14.4 °F | 27.3 °F | 2.15 in. |
| February | 12.8 °F | 29.0 °F | 1.41 in. |
| March | 19.4 °F | 38.4 °F | 1.7 in. |
| April | 31.0 °F | 51.3 °F | 2.72 in. |
| May | 42.3 °F | 64.8 °F | 2.98 in. |
| June | 52.2 °F | 74.0 °F | 3.08 in. |
| July | 56.7 °F | 78.3 °F | 2.82 in. |
| August | 55.9 °F | 77.4 °F | 3.23 in. |
| September | 48.8 °F | 70.4 °F | 3.68 in. |
| October | 38.9 °F | 56.7 °F | 4.25 in. |
| November | 30.2 °F | 43.7 °F | 2.91 in. |
| December | 21.8 °F | 32.9 °F | 2.58 in. |
| Annual | 35.4 °F | 53.7 °F | 33.51 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 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 |