Attica, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.3 °C (low) to 13.7 °C (high). Annual precipitation averages 1006.6 Millimeters. Attica is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.9 °C | -0.2 °C | 74.17 mm |
| February | -8.7 °C | 0.7 °C | 56.39 mm |
| March | -4.7 °C | 5.3 °C | 69.34 mm |
| April | 1.3 °C | 12.7 °C | 80.26 mm |
| May | 7.8 °C | 19.9 °C | 83.57 mm |
| June | 12.9 °C | 24.4 °C | 100.08 mm |
| July | 15.6 °C | 26.4 °C | 95.25 mm |
| August | 14.4 °C | 25.9 °C | 90.42 mm |
| September | 10.7 °C | 22.3 °C | 93.47 mm |
| October | 5 °C | 15.3 °C | 103.12 mm |
| November | -0.2 °C | 8.5 °C | 85.09 mm |
| December | -5.1 °C | 2.7 °C | 75.44 mm |
| Annual | 3.3 °C | 13.7 °C | 1006.6 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |