Arkport, 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 57.2 °F (high). Annual precipitation averages 37.2 Inches. Arkport is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.4 °F | 31.9 °F | 2.31 in. |
| February | 14.8 °F | 34.1 °F | 1.86 in. |
| March | 21.5 °F | 42.3 °F | 2.55 in. |
| April | 32.1 °F | 55.8 °F | 3.15 in. |
| May | 43.1 °F | 68.4 °F | 3.34 in. |
| June | 52.2 °F | 76.8 °F | 3.92 in. |
| July | 56.5 °F | 81.0 °F | 3.79 in. |
| August | 54.9 °F | 79.6 °F | 3.72 in. |
| September | 48.3 °F | 72.7 °F | 3.74 in. |
| October | 38.3 °F | 59.7 °F | 3.57 in. |
| November | 29.2 °F | 47.2 °F | 2.68 in. |
| December | 21.2 °F | 36.9 °F | 2.58 in. |
| Annual | 35.5 °F | 57.2 °F | 37.21 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| 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 |