Syracuse, Ohio has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 42.9 °F (low) to 65.6 °F (high). Annual precipitation averages 43.5 Inches. Syracuse 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.6 °F | 40.8 °F | 3.21 in. |
| February | 24.5 °F | 44.7 °F | 3.0 in. |
| March | 30.8 °F | 54.1 °F | 3.92 in. |
| April | 41.0 °F | 67.7 °F | 3.69 in. |
| May | 51.5 °F | 75.8 °F | 4.41 in. |
| June | 59.9 °F | 83.2 °F | 4.34 in. |
| July | 63.8 °F | 86.2 °F | 4.58 in. |
| August | 62.4 °F | 85.5 °F | 3.48 in. |
| September | 55.0 °F | 79.7 °F | 3.5 in. |
| October | 42.8 °F | 68.3 °F | 3.04 in. |
| November | 33.1 °F | 55.9 °F | 2.89 in. |
| December | 27.4 °F | 45.2 °F | 3.47 in. |
| Annual | 42.9 °F | 65.6 °F | 43.53 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |