Pierceville, Kansas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 4.8 °C (low) to 20.2 °C (high). Annual precipitation averages 518.7 Millimeters. Pierceville is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.8 °C | 7.2 °C | 12.45 mm |
| February | -6.2 °C | 9.2 °C | 13.21 mm |
| March | -1.6 °C | 14.7 °C | 31.75 mm |
| April | 3.2 °C | 19.4 °C | 44.2 mm |
| May | 9.8 °C | 24.9 °C | 74.17 mm |
| June | 15.8 °C | 30.8 °C | 79.25 mm |
| July | 18.4 °C | 33.3 °C | 79.76 mm |
| August | 17.4 °C | 31.9 °C | 71.37 mm |
| September | 12.6 °C | 28.3 °C | 35.31 mm |
| October | 5 °C | 21.3 °C | 41.4 mm |
| November | -2.1 °C | 13.8 °C | 14.99 mm |
| December | -6.8 °C | 7.6 °C | 20.83 mm |
| Annual | 4.8 °C | 20.2 °C | 518.69 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |