Sainte-Catherine, Quebec climate data is summarized below. Average annual temperatures range from 38.2 °F (low) to 54.1 °F (high). Annual precipitation averages 36.7 Inches. Sainte-Catherine is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -24.2 °F | -20 °F | 431.8 in. |
| February | -24.1 °F | -19.8 °F | 558.8 in. |
| March | -20.7 °F | -16 °F | 1574.8 in. |
| April | -16.4 °F | -10.9 °F | 2819.4 in. |
| May | -12.7 °F | -6.7 °F | 2413 in. |
| June | -9.8 °F | -4.3 °F | 2438.4 in. |
| July | -8.3 °F | -2.8 °F | 3175 in. |
| August | -8.7 °F | -3.2 °F | 2311.4 in. |
| September | -11.3 °F | -5.8 °F | 1778 in. |
| October | -14.5 °F | -10 °F | 2870.2 in. |
| November | -17.9 °F | -13.9 °F | 1930.4 in. |
| December | -21.8 °F | -18.4 °F | 1371.6 in. |
| Annual | 38.2 °F | 54.1 °F | 36.7 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |