Marsoui, Quebec climate data is summarized below. Average annual temperatures range from 33.2 °F (low) to 44.7 °F (high). Annual precipitation averages 25.7 Inches. Marsoui is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -25 °F | -21.4 °F | 0 in. |
| February | -25.1 °F | -21.4 °F | 0 in. |
| March | -23.3 °F | -19.2 °F | 0 in. |
| April | -18.9 °F | -15.7 °F | 1117.6 in. |
| May | -15.5 °F | -11.7 °F | 2184.4 in. |
| June | -12.1 °F | -7.8 °F | 2082.8 in. |
| July | -10 °F | -6.1 °F | 2565.4 in. |
| August | -10.2 °F | -6.4 °F | 2159 in. |
| September | -12.6 °F | -9 °F | 2362.2 in. |
| October | -15.5 °F | -12.5 °F | 2286 in. |
| November | -18.5 °F | -15.8 °F | 1651 in. |
| December | -22.3 °F | -19.3 °F | 177.8 in. |
| Annual | 33.2 °F | 44.7 °F | 25.72 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |