La Salle, Manitoba climate data is summarized below. Average annual temperatures range from -1.6 °C (low) to 8.8 °C (high). Annual precipitation averages 474 Millimeters. La Salle is located in USDA Plant Hardiness Zone 4a. 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 | -20.2 °C | -11.11 °C | 0 mm |
| February | -19.26 °C | -9.59 °C | 0 mm |
| March | -9.82 °C | 0.05 °C | 4 mm |
| April | -1.25 °C | 9.89 °C | 29 mm |
| May | 5.43 °C | 17.7 °C | 85 mm |
| June | 11.81 °C | 23.16 °C | 106 mm |
| July | 14.05 °C | 25.94 °C | 91 mm |
| August | 12.96 °C | 25.44 °C | 64 mm |
| September | 8.27 °C | 20.38 °C | 48 mm |
| October | 1.83 °C | 11.59 °C | 47 mm |
| November | -6.6 °C | 1.18 °C | 0 mm |
| December | -16.88 °C | -9.5 °C | 0 mm |
| Annual | -1.6 °C | 8.8 °C | 474 mm |
| 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 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |