Summit, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.6 °F (low) to 53 °F (high). Annual precipitation averages 46.7 Inches. Summit 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 | 12.0 °F | 27.0 °F | 3.14 in. |
| February | 14.6 °F | 28.9 °F | 2.47 in. |
| March | 21.4 °F | 36.6 °F | 3.57 in. |
| April | 32.4 °F | 52.7 °F | 3.59 in. |
| May | 43.6 °F | 64.7 °F | 3.94 in. |
| June | 53.2 °F | 72.5 °F | 4.67 in. |
| July | 57.2 °F | 76.9 °F | 4.54 in. |
| August | 55.6 °F | 75.5 °F | 4.42 in. |
| September | 49.5 °F | 69.1 °F | 4.33 in. |
| October | 39.5 °F | 56.9 °F | 4.47 in. |
| November | 29.6 °F | 42.4 °F | 3.42 in. |
| December | 19.1 °F | 32.4 °F | 4.15 in. |
| Annual | 35.6 °F | 53 °F | 46.71 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 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |