Sycamore, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 46 °F (low) to 68.2 °F (high). Annual precipitation averages 43.6 Inches. Sycamore is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.1 °F | 43.8 °F | 1.4 in. |
| February | 25.7 °F | 48.7 °F | 1.68 in. |
| March | 35.0 °F | 58.6 °F | 2.81 in. |
| April | 45.0 °F | 68.1 °F | 4.53 in. |
| May | 55.8 °F | 76.2 °F | 6.46 in. |
| June | 65.3 °F | 85.2 °F | 5.95 in. |
| July | 69.5 °F | 90.4 °F | 4.3 in. |
| August | 67.5 °F | 90.0 °F | 4.08 in. |
| September | 58.8 °F | 82.1 °F | 4.11 in. |
| October | 46.2 °F | 70.8 °F | 4.0 in. |
| November | 35.0 °F | 57.8 °F | 2.41 in. |
| December | 25.9 °F | 46.9 °F | 1.89 in. |
| Annual | 46 °F | 68.2 °F | 43.62 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |