Burlington, Kentucky has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.1 °C (low) to 17.7 °C (high). Annual precipitation averages 1149.6 Millimeters. Burlington 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.1 °C | 3.8 °C | 87.88 mm |
| February | -3.8 °C | 6.1 °C | 73.15 mm |
| March | 0.7 °C | 11.5 °C | 106.17 mm |
| April | 6.4 °C | 18.2 °C | 116.84 mm |
| May | 12.1 °C | 23.2 °C | 121.67 mm |
| June | 16.9 °C | 27.9 °C | 113.03 mm |
| July | 18.8 °C | 29.8 °C | 102.62 mm |
| August | 18.1 °C | 29.2 °C | 84.84 mm |
| September | 14.1 °C | 25.8 °C | 80.52 mm |
| October | 7.4 °C | 19.4 °C | 83.31 mm |
| November | 1.7 °C | 11.9 °C | 87.12 mm |
| December | -2.4 °C | 6.1 °C | 92.46 mm |
| Annual | 7.1 °C | 17.7 °C | 1149.61 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 75-100 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |