Syracuse, Kansas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 38.7 °F (low) to 69.2 °F (high). Annual precipitation averages 17.2 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 | 16.3 °F | 46.1 °F | 0.34 in. |
| February | 19.5 °F | 50.2 °F | 0.39 in. |
| March | 27.4 °F | 59.6 °F | 0.91 in. |
| April | 36.0 °F | 68.2 °F | 1.38 in. |
| May | 47.4 °F | 77.5 °F | 2.1 in. |
| June | 58.5 °F | 88.2 °F | 2.54 in. |
| July | 63.6 °F | 92.4 °F | 3.12 in. |
| August | 61.7 °F | 90.2 °F | 2.79 in. |
| September | 52.7 °F | 83.5 °F | 1.17 in. |
| October | 37.9 °F | 71.1 °F | 1.43 in. |
| November | 26.1 °F | 57.1 °F | 0.47 in. |
| December | 17.5 °F | 46.4 °F | 0.58 in. |
| Annual | 38.7 °F | 69.2 °F | 17.22 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |