Corfu, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.4 °F (low) to 56.8 °F (high). Annual precipitation averages 39.7 Inches. Corfu 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.5 °F | 31.9 °F | 2.99 in. |
| February | 17.0 °F | 33.4 °F | 2.25 in. |
| March | 23.9 °F | 41.9 °F | 2.8 in. |
| April | 34.7 °F | 55.0 °F | 3.26 in. |
| May | 46.1 °F | 67.5 °F | 3.25 in. |
| June | 55.6 °F | 75.9 °F | 3.82 in. |
| July | 60.2 °F | 79.8 °F | 3.67 in. |
| August | 58.7 °F | 79.0 °F | 3.42 in. |
| September | 51.9 °F | 72.4 °F | 3.73 in. |
| October | 41.5 °F | 59.8 °F | 3.93 in. |
| November | 31.9 °F | 47.5 °F | 3.4 in. |
| December | 23.3 °F | 37.0 °F | 3.14 in. |
| Annual | 38.4 °F | 56.8 °F | 39.66 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |