Mayfield, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.9 °F (low) to 55.3 °F (high). Annual precipitation averages 48.2 Inches. Mayfield is located in USDA Plant Hardiness Zone 5a. 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 | 12.0 °F | 29.3 °F | 3.67 in. |
| February | 13.2 °F | 32.1 °F | 3.05 in. |
| March | 21.3 °F | 40.7 °F | 3.61 in. |
| April | 32.9 °F | 54.0 °F | 4.04 in. |
| May | 44.8 °F | 67.0 °F | 4.13 in. |
| June | 53.9 °F | 75.0 °F | 4.69 in. |
| July | 59.0 °F | 79.4 °F | 4.45 in. |
| August | 57.2 °F | 77.9 °F | 4.42 in. |
| September | 49.9 °F | 70.7 °F | 4.0 in. |
| October | 38.6 °F | 58.1 °F | 4.53 in. |
| November | 28.8 °F | 45.4 °F | 3.53 in. |
| December | 19.2 °F | 34.3 °F | 4.05 in. |
| Annual | 35.9 °F | 55.3 °F | 48.17 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 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 |