Ste. Anne, Manitoba climate data is summarized below. Average annual temperatures range from 29 °F (low) to 47.4 °F (high). Annual precipitation averages 20.4 Inches. Ste. Anne is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -29.1 °F | -23.9 °F | 0 in. |
| February | -28.5 °F | -22.9 °F | 0 in. |
| March | -23.2 °F | -17.6 °F | 50.8 in. |
| April | -18.4 °F | -12.5 °F | 838.2 in. |
| May | -14.8 °F | -8.2 °F | 2260.6 in. |
| June | -11.4 °F | -5.1 °F | 2921 in. |
| July | -10 °F | -3.6 °F | 2565.4 in. |
| August | -10.6 °F | -4.1 °F | 1879.6 in. |
| September | -13.3 °F | -6.9 °F | 1397 in. |
| October | -16.6 °F | -11.5 °F | 1244.6 in. |
| November | -21.3 °F | -17.2 °F | 0 in. |
| December | -27.3 °F | -22.9 °F | 0 in. |
| Annual | 29 °F | 47.4 °F | 20.4 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Normal |