Lachute, Quebec climate data is summarized below. Average annual temperatures range from 34.8 °F (low) to 52.3 °F (high). Annual precipitation averages 24.3 Inches. 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 | -25.7 °F | -20.8 °F | 0 in. |
| February | -25.5 °F | -20.4 °F | 0 in. |
| March | -21.9 °F | -16.8 °F | 482.6 in. |
| April | -17.3 °F | -11.6 °F | 1346.2 in. |
| May | -13.5 °F | -7.1 °F | 1498.6 in. |
| June | -10.6 °F | -4.6 °F | 2489.2 in. |
| July | -9.3 °F | -3.1 °F | 3225.8 in. |
| August | -9.7 °F | -3.7 °F | 2489.2 in. |
| September | -12.3 °F | -6.1 °F | 1600.2 in. |
| October | -15.4 °F | -10.4 °F | 1600.2 in. |
| November | -18.8 °F | -14.5 °F | 787.4 in. |
| December | -23.1 °F | -19.1 °F | 177.8 in. |
| Annual | 34.8 °F | 52.3 °F | 24.34 in. |
| 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 : -20°F to -15°F |
| Current Drought Conditions | Normal |