Hector, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.8 °C (low) to 13.4 °C (high). Annual precipitation averages 983.7 Millimeters. Hector is located in USDA Plant Hardiness Zone 6b. 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 | -9.6 °C | -0.8 °C | 57.4 mm |
| February | -8.8 °C | 0.4 °C | 50.29 mm |
| March | -5.3 °C | 4.8 °C | 70.1 mm |
| April | 0.9 °C | 12.5 °C | 82.04 mm |
| May | 7.1 °C | 19.7 °C | 79.5 mm |
| June | 12 °C | 24.1 °C | 105.41 mm |
| July | 14.6 °C | 26.6 °C | 103.63 mm |
| August | 13.8 °C | 25.8 °C | 95 mm |
| September | 9.9 °C | 22.1 °C | 108.2 mm |
| October | 4.5 °C | 15.1 °C | 96.77 mm |
| November | -0.6 °C | 8 °C | 70.36 mm |
| December | -5.5 °C | 2.1 °C | 65.02 mm |
| Annual | 2.8 °C | 13.4 °C | 983.72 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |