Alfred, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.8 °F (low) to 55.9 °F (high). Annual precipitation averages 38.3 Inches. Alfred is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.9 °F | 30.9 °F | 2.49 in. |
| February | 14.6 °F | 33.2 °F | 1.74 in. |
| March | 21.2 °F | 41.5 °F | 2.6 in. |
| April | 31.9 °F | 54.9 °F | 3.16 in. |
| May | 42.5 °F | 67.5 °F | 3.53 in. |
| June | 51.0 °F | 75.3 °F | 4.05 in. |
| July | 55.2 °F | 79.4 °F | 3.79 in. |
| August | 53.9 °F | 77.7 °F | 3.68 in. |
| September | 47.1 °F | 71.0 °F | 3.72 in. |
| October | 37.1 °F | 58.6 °F | 3.71 in. |
| November | 28.5 °F | 46.0 °F | 3.04 in. |
| December | 20.4 °F | 35.2 °F | 2.74 in. |
| Annual | 34.8 °F | 55.9 °F | 38.25 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| 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 |