McWatters, Quebec climate data is summarized below. Average annual temperatures range from -3.1 °C (low) to 7.4 °C (high). Annual precipitation averages 721 Millimeters. McWatters is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -20.45 °C | -10.29 °C | 0 mm |
| February | -20.52 °C | -9.34 °C | 0 mm |
| March | -13.5 °C | -1.57 °C | 0 mm |
| April | -4.29 °C | 6.49 °C | 58 mm |
| May | 3.54 °C | 16.09 °C | 89 mm |
| June | 8.9 °C | 21.1 °C | 85 mm |
| July | 11.84 °C | 22.96 °C | 119 mm |
| August | 10.98 °C | 21.91 °C | 114 mm |
| September | 6.26 °C | 16.98 °C | 107 mm |
| October | 0.98 °C | 9.25 °C | 111 mm |
| November | -5.22 °C | 1.92 °C | 38 mm |
| December | -15.16 °C | -6.65 °C | 0 mm |
| Annual | -3.1 °C | 7.4 °C | 721 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°C to -37.2°C |
| Current Drought Conditions | Normal |