Cold Brook, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.7 °C (low) to 12.5 °C (high). Annual precipitation averages 1326.4 Millimeters. Cold Brook is located in USDA Plant Hardiness Zone 5a. 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 | -11.9 °C | -2.3 °C | 96.01 mm |
| February | -11.3 °C | -0.8 °C | 86.87 mm |
| March | -6.8 °C | 3.7 °C | 94.74 mm |
| April | 0.1 °C | 11.9 °C | 102.36 mm |
| May | 6.6 °C | 19.4 °C | 120.65 mm |
| June | 11.7 °C | 23.7 °C | 126.75 mm |
| July | 14.4 °C | 26.2 °C | 124.97 mm |
| August | 13.6 °C | 25.3 °C | 113.28 mm |
| September | 9.5 °C | 21.3 °C | 116.33 mm |
| October | 3.7 °C | 14.1 °C | 130.81 mm |
| November | -1.8 °C | 7 °C | 108.2 mm |
| December | -7.3 °C | 0.7 °C | 105.41 mm |
| Annual | 1.7 °C | 12.5 °C | 1326.38 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°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 |