Syracuse, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.9 °F (low) to 63 °F (high). Annual precipitation averages 31.8 Inches. Syracuse is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.7 °F | 34.0 °F | 0.78 in. |
| February | 17.8 °F | 39.3 °F | 1.02 in. |
| March | 28.2 °F | 51.9 °F | 1.82 in. |
| April | 38.8 °F | 63.7 °F | 2.87 in. |
| May | 50.6 °F | 73.8 °F | 5.51 in. |
| June | 61.4 °F | 83.6 °F | 4.47 in. |
| July | 65.1 °F | 87.5 °F | 4.07 in. |
| August | 62.8 °F | 85.8 °F | 3.3 in. |
| September | 53.1 °F | 79.3 °F | 2.92 in. |
| October | 40.8 °F | 66.9 °F | 2.47 in. |
| November | 27.9 °F | 51.1 °F | 1.47 in. |
| December | 18.1 °F | 38.6 °F | 1.14 in. |
| Annual | 39.9 °F | 63 °F | 31.84 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |