Valley Falls, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.4 °C (low) to 14.5 °C (high). Annual precipitation averages 1126.5 Millimeters. Valley Falls is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.8 °C | -0.1 °C | 77.47 mm |
| February | -9.1 °C | 1.5 °C | 57.66 mm |
| March | -4.3 °C | 6.4 °C | 73.66 mm |
| April | 2.1 °C | 14.2 °C | 88.9 mm |
| May | 8.3 °C | 20.8 °C | 94.74 mm |
| June | 13.4 °C | 25.2 °C | 131.06 mm |
| July | 15.6 °C | 28.5 °C | 121.41 mm |
| August | 15.1 °C | 26.8 °C | 111.76 mm |
| September | 10.8 °C | 22.9 °C | 98.81 mm |
| October | 4.7 °C | 15.8 °C | 106.17 mm |
| November | -0.7 °C | 9.1 °C | 78.74 mm |
| December | -5.6 °C | 2.8 °C | 86.11 mm |
| Annual | 3.4 °C | 14.5 °C | 1126.49 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |