Yonkers, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.8 °C (low) to 17.1 °C (high). Annual precipitation averages 1220.5 Millimeters. Yonkers is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.2 °C | 4 °C | 92.2 mm |
| February | -3.2 °C | 5.4 °C | 71.63 mm |
| March | 0.5 °C | 9.5 °C | 103.89 mm |
| April | 6.2 °C | 16.2 °C | 100.08 mm |
| May | 11.5 °C | 21.7 °C | 94.49 mm |
| June | 16.8 °C | 26.9 °C | 117.35 mm |
| July | 20 °C | 29.6 °C | 107.7 mm |
| August | 19.2 °C | 28.5 °C | 115.32 mm |
| September | 15.2 °C | 25 °C | 111.76 mm |
| October | 8.9 °C | 18.5 °C | 107.7 mm |
| November | 3.5 °C | 12.4 °C | 89.92 mm |
| December | -0.4 °C | 6.9 °C | 108.46 mm |
| Annual | 7.8 °C | 17.1 °C | 1220.5 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |