Dansville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.6 °F (low) to 58.4 °F (high). Annual precipitation averages 32.4 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 | 16.9 °F | 33.1 °F | 1.71 in. |
| February | 17.3 °F | 35.1 °F | 1.45 in. |
| March | 24.4 °F | 43.2 °F | 2.05 in. |
| April | 35.1 °F | 57.0 °F | 2.44 in. |
| May | 46.3 °F | 69.4 °F | 3.08 in. |
| June | 55.5 °F | 77.7 °F | 3.32 in. |
| July | 59.9 °F | 81.8 °F | 3.86 in. |
| August | 58.4 °F | 80.4 °F | 3.55 in. |
| September | 51.6 °F | 74.0 °F | 3.2 in. |
| October | 41.5 °F | 61.4 °F | 3.41 in. |
| November | 32.0 °F | 48.9 °F | 2.28 in. |
| December | 23.8 °F | 38.5 °F | 2.08 in. |
| Annual | 38.6 °F | 58.4 °F | 32.43 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 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |