Lachute, Quebec climate data is summarized below. Average annual temperatures range from 1.5 °C (low) to 11.3 °C (high). Annual precipitation averages 618 Millimeters. Lachute is located in USDA Plant Hardiness Zone 5a. 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 | -14.24 °C | -5.39 °C | 0 mm |
| February | -13.85 °C | -4.65 °C | 0 mm |
| March | -7.48 °C | 1.8 °C | 19 mm |
| April | 0.8 °C | 11.09 °C | 53 mm |
| May | 7.71 °C | 19.22 °C | 59 mm |
| June | 12.9 °C | 23.79 °C | 98 mm |
| July | 15.31 °C | 26.36 °C | 127 mm |
| August | 14.6 °C | 25.43 °C | 98 mm |
| September | 9.9 °C | 20.96 °C | 63 mm |
| October | 4.37 °C | 13.36 °C | 63 mm |
| November | -1.88 °C | 5.98 °C | 31 mm |
| December | -9.66 °C | -2.3 °C | 7 mm |
| Annual | 1.5 °C | 11.3 °C | 618 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 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |