Lac-Etchemin, Quebec climate data is summarized below. Average annual temperatures range from -1.4 °C (low) to 8.5 °C (high). Annual precipitation averages 180 Millimeters. Lac-Etchemin is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -16.84 °C | -7.05 °C | 0 mm |
| February | -16.28 °C | -6.25 °C | 0 mm |
| March | -11.38 °C | -0.79 °C | 0 mm |
| April | -3.37 °C | 6.69 °C | 10 mm |
| May | 4.29 °C | 15.81 °C | 19 mm |
| June | 9.53 °C | 20.44 °C | 28 mm |
| July | 12.56 °C | 23.23 °C | 45 mm |
| August | 11.7 °C | 22.33 °C | 34 mm |
| September | 7.08 °C | 17.85 °C | 15 mm |
| October | 1.91 °C | 10.37 °C | 17 mm |
| November | -4.02 °C | 3.46 °C | 12 mm |
| December | -12.12 °C | -4.16 °C | 0 mm |
| Annual | -1.4 °C | 8.5 °C | 180 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |