Hillsdale, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.6 °F (low) to 66.2 °F (high). Annual precipitation averages 41 Inches. Hillsdale is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.2 °F | 40.3 °F | 1.21 in. |
| February | 25.1 °F | 44.9 °F | 1.73 in. |
| March | 34.3 °F | 56.0 °F | 2.43 in. |
| April | 44.7 °F | 66.4 °F | 3.93 in. |
| May | 55.5 °F | 75.5 °F | 5.97 in. |
| June | 65.0 °F | 84.6 °F | 5.67 in. |
| July | 69.0 °F | 89.4 °F | 4.06 in. |
| August | 67.1 °F | 88.4 °F | 4.21 in. |
| September | 58.3 °F | 80.8 °F | 4.4 in. |
| October | 46.2 °F | 68.8 °F | 3.35 in. |
| November | 35.2 °F | 55.7 °F | 2.27 in. |
| December | 25.6 °F | 43.6 °F | 1.73 in. |
| Annual | 45.6 °F | 66.2 °F | 40.96 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |