Sainte-Marie, Quebec climate data is summarized below. Average annual temperatures range from 32.6 °F (low) to 49.8 °F (high). Annual precipitation averages 35.6 Inches. Sainte-Marie is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -26 °F | -21 °F | 0 in. |
| February | -25.7 °F | -20.6 °F | 0 in. |
| March | -22.9 °F | -17.5 °F | 177.8 in. |
| April | -18.3 °F | -12.7 °F | 1676.4 in. |
| May | -14.5 °F | -8.1 °F | 2743.2 in. |
| June | -11.7 °F | -5.6 °F | 3378.2 in. |
| July | -10 °F | -4.1 °F | 4267.2 in. |
| August | -10.4 °F | -4.7 °F | 3581.4 in. |
| September | -12.9 °F | -7.2 °F | 2667 in. |
| October | -16 °F | -11.3 °F | 2692.4 in. |
| November | -19.2 °F | -15.1 °F | 1778 in. |
| December | -23.6 °F | -19.5 °F | 25.4 in. |
| Annual | 32.6 °F | 49.8 °F | 35.63 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |