Barker, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 41.5 °F (low) to 57 °F (high). Annual precipitation averages 33.3 Inches. Barker is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.0 °F | 32.9 °F | 2.69 in. |
| February | 20.7 °F | 34.6 °F | 2.31 in. |
| March | 26.7 °F | 42.0 °F | 2.22 in. |
| April | 36.4 °F | 53.7 °F | 2.82 in. |
| May | 46.9 °F | 66.8 °F | 2.62 in. |
| June | 57.7 °F | 75.4 °F | 2.77 in. |
| July | 63.6 °F | 80.2 °F | 2.95 in. |
| August | 62.6 °F | 79.1 °F | 2.91 in. |
| September | 55.9 °F | 72.5 °F | 3.21 in. |
| October | 45.0 °F | 60.0 °F | 3.31 in. |
| November | 35.3 °F | 48.8 °F | 2.66 in. |
| December | 26.6 °F | 38.5 °F | 2.79 in. |
| Annual | 41.5 °F | 57 °F | 33.26 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |