Perryton, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 5.9 °C (low) to 21.8 °C (high). Annual precipitation averages 561.9 Millimeters. Perryton is located in USDA Plant Hardiness Zone 7a. 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 | -5.9 °C | 9.5 °C | 16.26 mm |
| February | -4.6 °C | 11.6 °C | 13.21 mm |
| March | -0.2 °C | 16.7 °C | 37.59 mm |
| April | 4.3 °C | 21.3 °C | 50.29 mm |
| May | 10.3 °C | 26.4 °C | 69.09 mm |
| June | 16.3 °C | 31.8 °C | 80.52 mm |
| July | 18.9 °C | 34.3 °C | 84.33 mm |
| August | 17.9 °C | 33.2 °C | 77.22 mm |
| September | 13.5 °C | 29.3 °C | 38.35 mm |
| October | 6.3 °C | 22.3 °C | 51.05 mm |
| November | -0.6 °C | 15.6 °C | 20.32 mm |
| December | -5.1 °C | 9.5 °C | 23.62 mm |
| Annual | 5.9 °C | 21.8 °C | 561.85 mm |
| 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |