Byersville, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.8 °F (low) to 56 °F (high). Annual precipitation averages 37.7 Inches. Byersville is located in USDA Plant Hardiness Zone 6a. 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 | 15.0 °F | 30.6 °F | 2.39 in. |
| February | 15.3 °F | 32.7 °F | 1.84 in. |
| March | 22.4 °F | 40.4 °F | 2.55 in. |
| April | 33.0 °F | 54.9 °F | 3.26 in. |
| May | 44.5 °F | 67.4 °F | 3.38 in. |
| June | 54.1 °F | 75.6 °F | 3.72 in. |
| July | 58.5 °F | 79.6 °F | 4.08 in. |
| August | 56.7 °F | 78.2 °F | 3.59 in. |
| September | 50.1 °F | 71.8 °F | 3.81 in. |
| October | 39.7 °F | 59.3 °F | 3.6 in. |
| November | 30.1 °F | 46.0 °F | 2.76 in. |
| December | 21.6 °F | 35.9 °F | 2.75 in. |
| Annual | 36.8 °F | 56 °F | 37.73 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 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 |