Waskaganish, Quebec climate data is summarized below. Average annual temperatures range from -5.5 °C (low) to 4.4 °C (high). Annual precipitation averages 691 Millimeters. Waskaganish is located in USDA Plant Hardiness Zone 1b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -23.89 °C | -13.61 °C | 0 mm |
| February | -24.38 °C | -12.63 °C | 0 mm |
| March | -18.73 °C | -5.37 °C | 0 mm |
| April | -8.06 °C | 2.13 °C | 22 mm |
| May | -0.24 °C | 10.91 °C | 72 mm |
| June | 4.9 °C | 17.41 °C | 69 mm |
| July | 8.25 °C | 19.58 °C | 139 mm |
| August | 9.31 °C | 19.12 °C | 127 mm |
| September | 6.89 °C | 15.19 °C | 105 mm |
| October | 2.88 °C | 8.68 °C | 111 mm |
| November | -4.69 °C | 1.1 °C | 46 mm |
| December | -18.43 °C | -9.23 °C | 0 mm |
| Annual | -5.5 °C | 4.4 °C | 691 mm |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 1b : |
| Current Drought Conditions | Abnormally Dry |