Harris, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45 °F (low) to 66.6 °F (high). Annual precipitation averages 39.3 Inches. Harris 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 | 20.8 °F | 41.1 °F | 1.1 in. |
| February | 24.4 °F | 45.7 °F | 1.53 in. |
| March | 33.9 °F | 56.8 °F | 2.35 in. |
| April | 43.6 °F | 66.7 °F | 4.01 in. |
| May | 54.8 °F | 75.3 °F | 5.48 in. |
| June | 64.5 °F | 84.7 °F | 5.17 in. |
| July | 68.5 °F | 89.5 °F | 4.26 in. |
| August | 66.5 °F | 88.6 °F | 3.96 in. |
| September | 57.9 °F | 80.9 °F | 4.28 in. |
| October | 45.6 °F | 69.4 °F | 3.34 in. |
| November | 34.4 °F | 55.9 °F | 2.22 in. |
| December | 24.9 °F | 44.3 °F | 1.62 in. |
| Annual | 45 °F | 66.6 °F | 39.32 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 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |