Cold Brook, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35 °F (low) to 54.5 °F (high). Annual precipitation averages 52.2 Inches. 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 | 10.5 °F | 27.9 °F | 3.78 in. |
| February | 11.6 °F | 30.6 °F | 3.42 in. |
| March | 19.7 °F | 38.6 °F | 3.73 in. |
| April | 32.1 °F | 53.4 °F | 4.03 in. |
| May | 43.8 °F | 67.0 °F | 4.75 in. |
| June | 53.1 °F | 74.7 °F | 4.99 in. |
| July | 57.9 °F | 79.1 °F | 4.92 in. |
| August | 56.5 °F | 77.5 °F | 4.46 in. |
| September | 49.1 °F | 70.4 °F | 4.58 in. |
| October | 38.6 °F | 57.4 °F | 5.15 in. |
| November | 28.7 °F | 44.6 °F | 4.26 in. |
| December | 18.8 °F | 33.3 °F | 4.15 in. |
| Annual | 35 °F | 54.5 °F | 52.22 in. |
| 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 : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |