Belmont, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.5 °F (low) to 57.1 °F (high). Annual precipitation averages 38.7 Inches. Belmont 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 | 31.7 °F | 2.47 in. |
| February | 13.9 °F | 34.1 °F | 1.79 in. |
| March | 20.4 °F | 42.7 °F | 2.55 in. |
| April | 31.0 °F | 56.4 °F | 3.43 in. |
| May | 41.7 °F | 68.6 °F | 3.6 in. |
| June | 50.8 °F | 76.6 °F | 4.1 in. |
| July | 55.0 °F | 80.4 °F | 3.98 in. |
| August | 53.9 °F | 78.8 °F | 3.8 in. |
| September | 47.3 °F | 72.5 °F | 3.68 in. |
| October | 36.8 °F | 59.9 °F | 3.78 in. |
| November | 28.4 °F | 47.2 °F | 2.71 in. |
| December | 20.4 °F | 36.6 °F | 2.78 in. |
| Annual | 34.5 °F | 57.1 °F | 38.67 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |