Brasher Falls, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2 °C (low) to 12.4 °C (high). Annual precipitation averages 1014.7 Millimeters. Brasher Falls is located in USDA Plant Hardiness Zone 4b. 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 | -13.4 °C | -3.8 °C | 70.1 mm |
| February | -12.6 °C | -2.3 °C | 56.39 mm |
| March | -6.7 °C | 3.2 °C | 63.25 mm |
| April | 1.1 °C | 11.8 °C | 84.33 mm |
| May | 7.8 °C | 19.7 °C | 84.07 mm |
| June | 13.1 °C | 24.3 °C | 103.63 mm |
| July | 15.7 °C | 26.9 °C | 100.33 mm |
| August | 14.6 °C | 25.9 °C | 88.39 mm |
| September | 10.1 °C | 21.9 °C | 97.54 mm |
| October | 4.3 °C | 14.4 °C | 108.2 mm |
| November | -1.6 °C | 7.1 °C | 82.3 mm |
| December | -8.3 °C | 0.1 °C | 76.2 mm |
| Annual | 2 °C | 12.4 °C | 1014.73 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 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |