Concord, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.6 °C (low) to 12.4 °C (high). Annual precipitation averages 1281.9 Millimeters. Concord 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 | -9.4 °C | -1.6 °C | 115.32 mm |
| February | -9.1 °C | -0.3 °C | 79.25 mm |
| March | -5.6 °C | 4.3 °C | 94.49 mm |
| April | 0.6 °C | 11.7 °C | 98.3 mm |
| May | 7.2 °C | 18.6 °C | 99.06 mm |
| June | 12.1 °C | 23.1 °C | 119.13 mm |
| July | 14.7 °C | 25.2 °C | 114.81 mm |
| August | 13.8 °C | 24.6 °C | 103.12 mm |
| September | 10.1 °C | 21.1 °C | 109.98 mm |
| October | 4.2 °C | 14.1 °C | 115.82 mm |
| November | -1.1 °C | 7.1 °C | 116.84 mm |
| December | -5.9 °C | 1.3 °C | 115.82 mm |
| Annual | 2.6 °C | 12.4 °C | 1281.94 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |