McWatters, Quebec climate data is summarized below. Average annual temperatures range from 26.5 °F (low) to 45.3 °F (high). Annual precipitation averages 28.4 Inches. 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 | -29.1 °F | -23.5 °F | 0 in. |
| February | -29.2 °F | -23 °F | 0 in. |
| March | -25.3 °F | -18.7 °F | 0 in. |
| April | -20.2 °F | -14.2 °F | 1473.2 in. |
| May | -15.8 °F | -8.8 °F | 2260.6 in. |
| June | -12.8 °F | -6.1 °F | 2159 in. |
| July | -11.2 °F | -5 °F | 3022.6 in. |
| August | -11.7 °F | -5.6 °F | 2895.6 in. |
| September | -14.3 °F | -8.3 °F | 2717.8 in. |
| October | -17.2 °F | -12.6 °F | 2819.4 in. |
| November | -20.7 °F | -16.7 °F | 965.2 in. |
| December | -26.2 °F | -21.5 °F | 0 in. |
| Annual | 26.5 °F | 45.3 °F | 28.39 in. |
| 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°F to -35°F |
| Current Drought Conditions | Normal |