Beausejour, Manitoba climate data is summarized below. Average annual temperatures range from -2.3 °C (low) to 8.3 °C (high). Annual precipitation averages 543 Millimeters. Beausejour is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -21.07 °C | -11.4 °C | 0 mm |
| February | -20.46 °C | -9.54 °C | 0 mm |
| March | -11.04 °C | -0.09 °C | 2 mm |
| April | -2.1 °C | 9.23 °C | 35 mm |
| May | 4.64 °C | 16.94 °C | 100 mm |
| June | 11.13 °C | 22.48 °C | 127 mm |
| July | 13.58 °C | 25.26 °C | 98 mm |
| August | 12.52 °C | 24.52 °C | 78 mm |
| September | 7.92 °C | 19.55 °C | 54 mm |
| October | 1.85 °C | 11.14 °C | 49 mm |
| November | -6.71 °C | 0.93 °C | 0 mm |
| December | -17.7 °C | -9.53 °C | 0 mm |
| Annual | -2.3 °C | 8.3 °C | 543 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |