Cayuga, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.3 °C (low) to 14.3 °C (high). Annual precipitation averages 956.8 Millimeters. Cayuga is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.7 °C | 0.4 °C | 60.96 mm |
| February | -7.6 °C | 1.2 °C | 50.29 mm |
| March | -3.8 °C | 5.7 °C | 65.79 mm |
| April | 2.1 °C | 13.2 °C | 80.01 mm |
| May | 8.5 °C | 20.6 °C | 82.55 mm |
| June | 13.6 °C | 25.2 °C | 94.74 mm |
| July | 16.3 °C | 27.7 °C | 97.28 mm |
| August | 15.4 °C | 27.1 °C | 92.96 mm |
| September | 11.9 °C | 23 °C | 91.44 mm |
| October | 6 °C | 15.7 °C | 93.98 mm |
| November | 0.6 °C | 9.1 °C | 76.2 mm |
| December | -4.3 °C | 2.9 °C | 70.61 mm |
| Annual | 4.3 °C | 14.3 °C | 956.81 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |