Nichols, 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 14.9 °C (high). Annual precipitation averages 970 Millimeters. Nichols 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.1 °C | 0.7 °C | 60.71 mm |
| February | -8.8 °C | 2 °C | 51.05 mm |
| March | -4.8 °C | 6.7 °C | 73.91 mm |
| April | 0.9 °C | 14.3 °C | 88.9 mm |
| May | 7.2 °C | 21.2 °C | 84.33 mm |
| June | 12.3 °C | 25.8 °C | 102.11 mm |
| July | 14.7 °C | 28.1 °C | 89.66 mm |
| August | 14.2 °C | 27.5 °C | 92.2 mm |
| September | 10.2 °C | 23.4 °C | 99.31 mm |
| October | 3.9 °C | 16.4 °C | 89.92 mm |
| November | -1.3 °C | 9.3 °C | 70.87 mm |
| December | -5.3 °C | 3.4 °C | 67.06 mm |
| Annual | 2.8 °C | 14.9 °C | 970.03 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 |