Woodbourne, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37.1 °F (low) to 57.2 °F (high). Annual precipitation averages 50.9 Inches. Woodbourne 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 | 15.0 °F | 31.9 °F | 3.55 in. |
| February | 16.2 °F | 35.0 °F | 2.75 in. |
| March | 23.9 °F | 43.4 °F | 3.74 in. |
| April | 34.5 °F | 56.5 °F | 3.96 in. |
| May | 44.9 °F | 67.7 °F | 4.21 in. |
| June | 54.2 °F | 75.9 °F | 5.2 in. |
| July | 58.8 °F | 80.8 °F | 5.05 in. |
| August | 57.3 °F | 78.8 °F | 4.64 in. |
| September | 50.2 °F | 71.8 °F | 4.9 in. |
| October | 39.2 °F | 59.6 °F | 4.86 in. |
| November | 29.8 °F | 47.9 °F | 3.68 in. |
| December | 21.4 °F | 36.8 °F | 4.31 in. |
| Annual | 37.1 °F | 57.2 °F | 50.85 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 | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |