Chambly, Quebec climate data is summarized below. Average annual temperatures range from 3.2 °C (low) to 12.3 °C (high). Annual precipitation averages 955 Millimeters. Chambly is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.79 °C | -3.84 °C | 24 mm |
| February | -11.45 °C | -3.41 °C | 25 mm |
| March | -5.54 °C | 3.39 °C | 63 mm |
| April | 2.21 °C | 12.23 °C | 108 mm |
| May | 8.93 °C | 19.95 °C | 93 mm |
| June | 14.16 °C | 24.3 °C | 106 mm |
| July | 16.69 °C | 26.99 °C | 135 mm |
| August | 15.86 °C | 26.05 °C | 85 mm |
| September | 11.09 °C | 21.53 °C | 74 mm |
| October | 5.47 °C | 13.98 °C | 112 mm |
| November | -0.31 °C | 6.95 °C | 75 mm |
| December | -7.4 °C | -0.98 °C | 55 mm |
| Annual | 3.2 °C | 12.3 °C | 955 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |