Burlington, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 2.7 °C (low) to 18.3 °C (high). Annual precipitation averages 477.5 Millimeters. Burlington is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.3 °C | 6.3 °C | 9.91 mm |
| February | -7.6 °C | 7.1 °C | 12.7 mm |
| March | -3.4 °C | 12.8 °C | 26.92 mm |
| April | 0.9 °C | 16.9 °C | 49.53 mm |
| May | 6.9 °C | 22.2 °C | 67.31 mm |
| June | 12.8 °C | 28.8 °C | 68.83 mm |
| July | 15.9 °C | 31.8 °C | 77.98 mm |
| August | 14.8 °C | 30.3 °C | 69.34 mm |
| September | 9.9 °C | 26.5 °C | 33.02 mm |
| October | 2.6 °C | 18.9 °C | 35.31 mm |
| November | -3.6 °C | 11.8 °C | 13.72 mm |
| December | -8 °C | 6.1 °C | 12.95 mm |
| Annual | 2.7 °C | 18.3 °C | 477.52 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |