Dansville, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.4 °F (low) to 57.3 °F (high). Annual precipitation averages 34.5 Inches. Dansville 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 | 16.1 °F | 30.4 °F | 2.27 in. |
| February | 16.7 °F | 33.3 °F | 1.85 in. |
| March | 25.0 °F | 43.6 °F | 2.16 in. |
| April | 36.1 °F | 56.7 °F | 3.3 in. |
| May | 47.6 °F | 68.5 °F | 3.8 in. |
| June | 56.9 °F | 77.7 °F | 3.72 in. |
| July | 59.9 °F | 81.5 °F | 3.32 in. |
| August | 58.5 °F | 79.7 °F | 3.38 in. |
| September | 51.0 °F | 73.6 °F | 3.06 in. |
| October | 40.2 °F | 60.4 °F | 3.03 in. |
| November | 30.8 °F | 47.2 °F | 2.55 in. |
| December | 22.5 °F | 35.4 °F | 2.09 in. |
| Annual | 38.4 °F | 57.3 °F | 34.53 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 |