Locke, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3 °C (low) to 13.3 °C (high). Annual precipitation averages 1040.4 Millimeters. Locke is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.9 °C | -0.9 °C | 62.48 mm |
| February | -8.9 °C | 0.4 °C | 56.13 mm |
| March | -5.1 °C | 4.8 °C | 73.66 mm |
| April | 1.3 °C | 12.3 °C | 92.96 mm |
| May | 7.5 °C | 19.5 °C | 85.34 mm |
| June | 12.7 °C | 24.1 °C | 105.16 mm |
| July | 15.2 °C | 26.5 °C | 104.65 mm |
| August | 14.3 °C | 25.8 °C | 101.09 mm |
| September | 10.4 °C | 22.1 °C | 102.11 mm |
| October | 4.7 °C | 14.9 °C | 100.08 mm |
| November | -0.4 °C | 8.2 °C | 82.55 mm |
| December | -5.5 °C | 2.2 °C | 74.17 mm |
| Annual | 3 °C | 13.3 °C | 1040.38 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 |