Burlington, Ontario climate data is summarized below. Average annual temperatures range from 5.2 °C (low) to 13.4 °C (high). Annual precipitation averages 938 Millimeters. Burlington is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.9 °C | -0.48 °C | 24 mm |
| February | -8.22 °C | -1.02 °C | 36 mm |
| March | -2.54 °C | 5.33 °C | 82 mm |
| April | 3.1 °C | 11.89 °C | 98 mm |
| May | 9.13 °C | 18.86 °C | 101 mm |
| June | 14.64 °C | 23.98 °C | 93 mm |
| July | 17.5 °C | 27.03 °C | 95 mm |
| August | 17.16 °C | 26.29 °C | 105 mm |
| September | 13 °C | 22.09 °C | 79 mm |
| October | 7.33 °C | 15.2 °C | 87 mm |
| November | 1.59 °C | 8.59 °C | 70 mm |
| December | -3.13 °C | 2.45 °C | 68 mm |
| Annual | 5.2 °C | 13.4 °C | 938 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |