Andes, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.9 °C (low) to 13.1 °C (high). Annual precipitation averages 1164.8 Millimeters. Andes is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.3 °C | -0.6 °C | 74.42 mm |
| February | -10.8 °C | 0.7 °C | 60.2 mm |
| March | -6.4 °C | 5.2 °C | 80.52 mm |
| April | -0.6 °C | 12.6 °C | 91.69 mm |
| May | 4.8 °C | 18.8 °C | 102.36 mm |
| June | 10.1 °C | 23.3 °C | 124.97 mm |
| July | 12.2 °C | 25.8 °C | 122.94 mm |
| August | 11.9 °C | 25.3 °C | 113.54 mm |
| September | 8.3 °C | 21.4 °C | 113.79 mm |
| October | 2.2 °C | 14.7 °C | 109.22 mm |
| November | -2.4 °C | 8.2 °C | 82.04 mm |
| December | -7.3 °C | 1.9 °C | 89.15 mm |
| Annual | 0.9 °C | 13.1 °C | 1164.84 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |