Lockport, Manitoba climate data is summarized below. Average annual temperatures range from 28.9 °F (low) to 47.1 °F (high). Annual precipitation averages 20.5 Inches. Lockport 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. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -29.2 °F | -24.1 °F | 0 in. |
| February | -28.9 °F | -23.2 °F | 0 in. |
| March | -23.7 °F | -17.9 °F | 25.4 in. |
| April | -18.8 °F | -12.6 °F | 787.4 in. |
| May | -14.9 °F | -8.4 °F | 2438.4 in. |
| June | -11.3 °F | -5.2 °F | 3225.8 in. |
| July | -9.8 °F | -3.6 °F | 2463.8 in. |
| August | -10.3 °F | -4 °F | 1879.6 in. |
| September | -13 °F | -6.8 °F | 1219.2 in. |
| October | -16.6 °F | -11.6 °F | 1193.8 in. |
| November | -21.4 °F | -17.2 °F | 0 in. |
| December | -27.3 °F | -23.1 °F | 0 in. |
| Annual | 28.9 °F | 47.1 °F | 20.51 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 3b : -35°F to -30°F |
| Current Drought Conditions | Normal |