La Salle, Manitoba climate data is summarized below. Average annual temperatures range from 29.1 °F (low) to 47.8 °F (high). Annual precipitation averages 18.7 Inches. 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 | -29 °F | -24 °F | 0 in. |
| February | -28.5 °F | -23.1 °F | 0 in. |
| March | -23.2 °F | -17.8 °F | 101.6 in. |
| April | -18.5 °F | -12.3 °F | 736.6 in. |
| May | -14.8 °F | -7.9 °F | 2159 in. |
| June | -11.2 °F | -4.9 °F | 2692.4 in. |
| July | -10 °F | -3.4 °F | 2311.4 in. |
| August | -10.6 °F | -3.6 °F | 1625.6 in. |
| September | -13.2 °F | -6.5 °F | 1219.2 in. |
| October | -16.8 °F | -11.3 °F | 1193.8 in. |
| November | -21.4 °F | -17.1 °F | 0 in. |
| December | -27.2 °F | -23.1 °F | 0 in. |
| Annual | 29.1 °F | 47.8 °F | 18.66 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 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |