Winnipeg, Manitoba climate data is summarized below. Average annual temperatures range from 29.8 °F (low) to 47.6 °F (high). Annual precipitation averages 19.3 Inches. Winnipeg 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 | -28.8 °F | -24 °F | 0 in. |
| February | -28.3 °F | -23.1 °F | 0 in. |
| March | -23.1 °F | -17.8 °F | 50.8 in. |
| April | -18.3 °F | -12.3 °F | 736.6 in. |
| May | -14.6 °F | -8.1 °F | 2260.6 in. |
| June | -11 °F | -4.9 °F | 2794 in. |
| July | -9.6 °F | -3.4 °F | 2413 in. |
| August | -10.2 °F | -3.8 °F | 1778 in. |
| September | -12.8 °F | -6.6 °F | 1193.8 in. |
| October | -16.5 °F | -11.4 °F | 1244.6 in. |
| November | -21.2 °F | -17.1 °F | 0 in. |
| December | -26.9 °F | -23 °F | 0 in. |
| Annual | 29.8 °F | 47.6 °F | 19.33 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Normal |