Syracuse, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.8 °C (low) to 14.1 °C (high). Annual precipitation averages 1073.7 Millimeters. Syracuse 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 | -0.3 °C | 78.74 mm |
| February | -8.6 °C | 0.7 °C | 77.47 mm |
| March | -4.4 °C | 5.2 °C | 83.31 mm |
| April | 2 °C | 13.3 °C | 95.25 mm |
| May | 8.4 °C | 20.5 °C | 88.39 mm |
| June | 13.4 °C | 25.1 °C | 95.25 mm |
| July | 16.2 °C | 27.6 °C | 101.35 mm |
| August | 15.3 °C | 26.8 °C | 98.04 mm |
| September | 11.3 °C | 23.1 °C | 80.77 mm |
| October | 5.7 °C | 15.7 °C | 103.38 mm |
| November | 0.4 °C | 8.9 °C | 81.53 mm |
| December | -4.8 °C | 2.7 °C | 90.17 mm |
| Annual | 3.8 °C | 14.1 °C | 1073.65 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 |