Burns Flat, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.9 °C (low) to 22.4 °C (high). Annual precipitation averages 699.5 Millimeters. Burns Flat is located in USDA Plant Hardiness Zone 7b. 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 | -3.2 °C | 9.9 °C | 24.64 mm |
| February | -1.7 °C | 11.8 °C | 29.46 mm |
| March | 2.9 °C | 17.1 °C | 55.12 mm |
| April | 7.6 °C | 21.7 °C | 74.17 mm |
| May | 13.6 °C | 26.7 °C | 95.25 mm |
| June | 18.9 °C | 32.1 °C | 84.07 mm |
| July | 21.4 °C | 35 °C | 51.82 mm |
| August | 20.7 °C | 34.5 °C | 80.77 mm |
| September | 16.5 °C | 29.9 °C | 60.45 mm |
| October | 9.3 °C | 23.2 °C | 72.64 mm |
| November | 2.8 °C | 16.1 °C | 38.1 mm |
| December | -2.1 °C | 10.3 °C | 33.02 mm |
| Annual | 8.9 °C | 22.4 °C | 699.51 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |