Roscoe, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.5 °F (low) to 56.7 °F (high). Annual precipitation averages 50.4 Inches. Roscoe is located in USDA Plant Hardiness Zone 5b. 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 | 13.3 °F | 31.4 °F | 3.36 in. |
| February | 14.4 °F | 34.3 °F | 2.74 in. |
| March | 22.0 °F | 42.5 °F | 3.33 in. |
| April | 32.8 °F | 55.8 °F | 4.06 in. |
| May | 43.1 °F | 67.5 °F | 4.5 in. |
| June | 52.5 °F | 75.4 °F | 5.33 in. |
| July | 57.0 °F | 80.2 °F | 5.33 in. |
| August | 55.7 °F | 78.2 °F | 4.64 in. |
| September | 48.7 °F | 71.7 °F | 4.56 in. |
| October | 37.7 °F | 59.5 °F | 5.11 in. |
| November | 28.7 °F | 47.1 °F | 3.42 in. |
| December | 20.5 °F | 36.2 °F | 3.97 in. |
| Annual | 35.5 °F | 56.7 °F | 50.35 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°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 |