Syracuse, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.9 °F (low) to 57.4 °F (high). Annual precipitation averages 42.3 Inches. 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 | 15.6 °F | 31.4 °F | 3.1 in. |
| February | 16.5 °F | 33.3 °F | 3.05 in. |
| March | 24.1 °F | 41.3 °F | 3.28 in. |
| April | 35.6 °F | 55.9 °F | 3.75 in. |
| May | 47.2 °F | 68.9 °F | 3.48 in. |
| June | 56.2 °F | 77.1 °F | 3.75 in. |
| July | 61.1 °F | 81.7 °F | 3.99 in. |
| August | 59.6 °F | 80.3 °F | 3.86 in. |
| September | 52.3 °F | 73.5 °F | 3.18 in. |
| October | 42.2 °F | 60.3 °F | 4.07 in. |
| November | 32.8 °F | 48.0 °F | 3.21 in. |
| December | 23.3 °F | 36.9 °F | 3.55 in. |
| Annual | 38.9 °F | 57.4 °F | 42.27 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |