Cheyenne, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.1 °C (low) to 22.4 °C (high). Annual precipitation averages 658.4 Millimeters. Cheyenne 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 | -4.1 °C | 10.1 °C | 22.1 mm |
| February | -2.6 °C | 12 °C | 25.4 mm |
| March | 2.1 °C | 17.3 °C | 46.99 mm |
| April | 6.9 °C | 22 °C | 73.91 mm |
| May | 12.8 °C | 26.7 °C | 91.69 mm |
| June | 18.3 °C | 31.7 °C | 89.15 mm |
| July | 20.7 °C | 34.8 °C | 62.99 mm |
| August | 19.9 °C | 34.2 °C | 72.14 mm |
| September | 15.6 °C | 29.8 °C | 57.15 mm |
| October | 8.4 °C | 23.2 °C | 59.69 mm |
| November | 1.8 °C | 16.4 °C | 30.23 mm |
| December | -3.2 °C | 10.4 °C | 26.92 mm |
| Annual | 8.1 °C | 22.4 °C | 658.36 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 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |