Howard, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.3 °C (low) to 20.2 °C (high). Annual precipitation averages 1006.1 Millimeters. Howard 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 | -6 °C | 6.6 °C | 26.92 mm |
| February | -4.1 °C | 9.2 °C | 40.64 mm |
| March | 1 °C | 14.9 °C | 67.56 mm |
| April | 6.8 °C | 20.3 °C | 99.57 mm |
| May | 12.8 °C | 24.7 °C | 142.75 mm |
| June | 18.1 °C | 29.5 °C | 147.07 mm |
| July | 20.4 °C | 32.4 °C | 105.41 mm |
| August | 19.3 °C | 32.4 °C | 95.25 mm |
| September | 14.4 °C | 27.9 °C | 95.25 mm |
| October | 7.5 °C | 21.8 °C | 85.34 mm |
| November | 1.2 °C | 14.4 °C | 56.39 mm |
| December | -4.2 °C | 8.1 °C | 43.94 mm |
| Annual | 7.3 °C | 20.2 °C | 1006.09 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |