Haines Falls, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.8 °C (low) to 12.9 °C (high). Annual precipitation averages 1487.4 Millimeters. Haines Falls 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.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.2 °C | -0.5 °C | 108.46 mm |
| February | -10.7 °C | 0.9 °C | 100.58 mm |
| March | -7.1 °C | 5.1 °C | 135.38 mm |
| April | -0.8 °C | 12.2 °C | 118.62 mm |
| May | 5.2 °C | 18.7 °C | 105.16 mm |
| June | 10.1 °C | 23.2 °C | 122.43 mm |
| July | 12.4 °C | 25.7 °C | 122.43 mm |
| August | 11.7 °C | 24.8 °C | 110.74 mm |
| September | 8.1 °C | 21.2 °C | 129.03 mm |
| October | 2.3 °C | 14.4 °C | 161.04 mm |
| November | -2.6 °C | 7.7 °C | 129.54 mm |
| December | -7.5 °C | 1.9 °C | 144.02 mm |
| Annual | 0.8 °C | 12.9 °C | 1487.43 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |