Rouyn-Noranda, Quebec climate data is summarized below. Average annual temperatures range from -2.7 °C (low) to 7.5 °C (high). Annual precipitation averages 686 Millimeters. Rouyn-Noranda is located in USDA Plant Hardiness Zone 2b. 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 | -20.2 °C | -10.27 °C | 0 mm |
| February | -20.34 °C | -9.29 °C | 0 mm |
| March | -13.29 °C | -1.41 °C | 0 mm |
| April | -4.25 °C | 6.54 °C | 53 mm |
| May | 3.83 °C | 16.2 °C | 83 mm |
| June | 9.39 °C | 21.3 °C | 82 mm |
| July | 12.36 °C | 23.06 °C | 111 mm |
| August | 11.66 °C | 22.05 °C | 111 mm |
| September | 6.8 °C | 17.02 °C | 102 mm |
| October | 1.47 °C | 9.34 °C | 107 mm |
| November | -4.92 °C | 1.98 °C | 37 mm |
| December | -15.02 °C | -6.67 °C | 0 mm |
| Annual | -2.7 °C | 7.5 °C | 686 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 2b : -42.8°C to -40°C |
| Current Drought Conditions | Normal |