Blanc-Sablon, Quebec climate data is summarized below. Average annual temperatures range from -1 °C (low) to 4.2 °C (high). Annual precipitation averages 682 Millimeters. Blanc-Sablon is located in USDA Plant Hardiness Zone . The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.31 °C | -6.55 °C | 15 mm |
| February | -13.18 °C | -6.21 °C | 5 mm |
| March | -9.85 °C | -3.79 °C | 15 mm |
| April | -4.13 °C | 0.13 °C | 38 mm |
| May | 0.72 °C | 5.45 °C | 59 mm |
| June | 5.76 °C | 10.79 °C | 62 mm |
| July | 10.27 °C | 15.26 °C | 72 mm |
| August | 11.61 °C | 16.66 °C | 80 mm |
| September | 7.89 °C | 12.79 °C | 97 mm |
| October | 3.18 °C | 7.13 °C | 101 mm |
| November | -2.13 °C | 1.93 °C | 84 mm |
| December | -8.28 °C | -3.13 °C | 54 mm |
| Annual | -1 °C | 4.2 °C | 682 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | |
| Current Drought Conditions | Normal |