Canaan, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.3 °F (low) to 56.4 °F (high). Annual precipitation averages 46.5 Inches. Canaan is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.3 °F | 30.8 °F | 3.35 in. |
| February | 13.7 °F | 33.8 °F | 2.55 in. |
| March | 21.7 °F | 42.1 °F | 3.19 in. |
| April | 32.3 °F | 55.7 °F | 3.64 in. |
| May | 43.4 °F | 67.7 °F | 3.68 in. |
| June | 52.4 °F | 75.3 °F | 5.11 in. |
| July | 57.5 °F | 80.0 °F | 4.77 in. |
| August | 55.5 °F | 78.3 °F | 4.69 in. |
| September | 48.4 °F | 71.5 °F | 4.39 in. |
| October | 37.8 °F | 58.7 °F | 4.22 in. |
| November | 28.5 °F | 47.2 °F | 3.19 in. |
| December | 19.5 °F | 35.9 °F | 3.67 in. |
| Annual | 35.3 °F | 56.4 °F | 46.45 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |