Sainte-Marie, Quebec climate data is summarized below. Average annual temperatures range from 0.3 °C (low) to 9.9 °C (high). Annual precipitation averages 905 Millimeters. 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 | -14.84 °C | -5.79 °C | 0 mm |
| February | -14.3 °C | -5.09 °C | 0 mm |
| March | -9.15 °C | 0.54 °C | 7 mm |
| April | -0.91 °C | 9.22 °C | 66 mm |
| May | 5.82 °C | 17.39 °C | 108 mm |
| June | 11 °C | 22.01 °C | 133 mm |
| July | 14.09 °C | 24.62 °C | 168 mm |
| August | 13.33 °C | 23.52 °C | 141 mm |
| September | 8.79 °C | 19.13 °C | 105 mm |
| October | 3.28 °C | 11.63 °C | 106 mm |
| November | -2.64 °C | 4.8 °C | 70 mm |
| December | -10.41 °C | -3.04 °C | 1 mm |
| Annual | 0.3 °C | 9.9 °C | 905 mm |
| 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 : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |