Kiowa, Kansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.7 °C (low) to 21.9 °C (high). Annual precipitation averages 778 Millimeters. Kiowa 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 | -5.3 °C | 8.6 °C | 22.35 mm |
| February | -3.7 °C | 10.6 °C | 25.91 mm |
| March | 1.5 °C | 16.3 °C | 54.86 mm |
| April | 6.3 °C | 21.4 °C | 72.64 mm |
| May | 12.7 °C | 26.7 °C | 106.68 mm |
| June | 18.4 °C | 32.3 °C | 116.33 mm |
| July | 21.1 °C | 35.2 °C | 92.46 mm |
| August | 20.1 °C | 34.1 °C | 99.57 mm |
| September | 15.6 °C | 30 °C | 58.67 mm |
| October | 8.1 °C | 23 °C | 59.69 mm |
| November | 1.2 °C | 15.4 °C | 33.53 mm |
| December | -4.2 °C | 8.9 °C | 35.31 mm |
| Annual | 7.7 °C | 21.9 °C | 778 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |