Louisville, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.7 °F (low) to 66.5 °F (high). Annual precipitation averages 34.8 Inches. Louisville 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 Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.9 °F | 40.1 °F | 0.71 in. |
| February | 22.3 °F | 44.9 °F | 1.14 in. |
| March | 32.0 °F | 56.3 °F | 2.07 in. |
| April | 42.5 °F | 67.0 °F | 3.44 in. |
| May | 53.8 °F | 75.9 °F | 5.29 in. |
| June | 63.9 °F | 85.4 °F | 5.18 in. |
| July | 68.3 °F | 90.1 °F | 4.6 in. |
| August | 65.9 °F | 88.9 °F | 3.95 in. |
| September | 56.9 °F | 81.1 °F | 3.05 in. |
| October | 44.4 °F | 69.4 °F | 2.53 in. |
| November | 32.6 °F | 55.4 °F | 1.6 in. |
| December | 22.6 °F | 43.3 °F | 1.23 in. |
| Annual | 43.7 °F | 66.5 °F | 34.79 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 |