Ste. Anne, Manitoba climate data is summarized below. Average annual temperatures range from -1.7 °C (low) to 8.5 °C (high). Annual precipitation averages 518 Millimeters. 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 | -20.36 °C | -11.09 °C | 0 mm |
| February | -19.37 °C | -9.2 °C | 0 mm |
| March | -9.84 °C | 0.4 °C | 2 mm |
| April | -1.1 °C | 9.58 °C | 33 mm |
| May | 5.28 °C | 17.18 °C | 89 mm |
| June | 11.54 °C | 22.74 °C | 115 mm |
| July | 13.98 °C | 25.47 °C | 101 mm |
| August | 12.96 °C | 24.68 °C | 74 mm |
| September | 8.14 °C | 19.63 °C | 55 mm |
| October | 2.1 °C | 11.31 °C | 49 mm |
| November | -6.29 °C | 1.06 °C | 0 mm |
| December | -17.11 °C | -9.27 °C | 0 mm |
| Annual | -1.7 °C | 8.5 °C | 518 mm |
| 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 : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |