Burna, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.6 °C (low) to 19.8 °C (high). Annual precipitation averages 1273.1 Millimeters. Burna 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 | -3.2 °C | 6.2 °C | 98.3 mm |
| February | -1.8 °C | 8.6 °C | 93.73 mm |
| March | 2.7 °C | 13.9 °C | 120.65 mm |
| April | 8.3 °C | 20.4 °C | 128.78 mm |
| May | 13.6 °C | 25.1 °C | 129.54 mm |
| June | 18.3 °C | 29.6 °C | 115.82 mm |
| July | 20.1 °C | 31.2 °C | 107.44 mm |
| August | 19 °C | 30.9 °C | 76.96 mm |
| September | 15.1 °C | 27.8 °C | 87.63 mm |
| October | 8.6 °C | 21.4 °C | 95.25 mm |
| November | 3.1 °C | 14.2 °C | 106.17 mm |
| December | -1.1 °C | 8.2 °C | 112.78 mm |
| Annual | 8.6 °C | 19.8 °C | 1273.05 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |