Gasport, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.2 °F (low) to 57.4 °F (high). Annual precipitation averages 37.7 Inches. Gasport is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.7 °F | 32.7 °F | 2.98 in. |
| February | 18.7 °F | 33.9 °F | 2.22 in. |
| March | 25.6 °F | 42.0 °F | 2.9 in. |
| April | 36.0 °F | 55.3 °F | 3.23 in. |
| May | 47.1 °F | 68.0 °F | 3.19 in. |
| June | 57.1 °F | 76.8 °F | 3.17 in. |
| July | 62.1 °F | 80.7 °F | 3.41 in. |
| August | 60.9 °F | 79.8 °F | 3.3 in. |
| September | 53.9 °F | 73.3 °F | 3.57 in. |
| October | 43.3 °F | 60.5 °F | 3.6 in. |
| November | 33.4 °F | 48.3 °F | 3.08 in. |
| December | 25.1 °F | 38.0 °F | 3.05 in. |
| Annual | 40.2 °F | 57.4 °F | 37.7 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |