Sainte-Croix, Quebec climate data is summarized below. Average annual temperatures range from 33 °F (low) to 50.9 °F (high). Annual precipitation averages 37.4 Inches. Sainte-Croix 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 | -26.4 °F | -21.1 °F | 0 in. |
| February | -26.1 °F | -20.5 °F | 0 in. |
| March | -23.2 °F | -17.6 °F | 482.6 in. |
| April | -18 °F | -12.3 °F | 1854.2 in. |
| May | -14.3 °F | -7.5 °F | 2413 in. |
| June | -11.3 °F | -5 °F | 3352.8 in. |
| July | -9.7 °F | -3.6 °F | 4292.6 in. |
| August | -10.1 °F | -4.1 °F | 3505.2 in. |
| September | -12.7 °F | -6.7 °F | 2921 in. |
| October | -15.7 °F | -10.9 °F | 3124.2 in. |
| November | -18.8 °F | -14.8 °F | 1727.2 in. |
| December | -23.5 °F | -19.5 °F | 457.2 in. |
| Annual | 33 °F | 50.9 °F | 37.4 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 |