Winnipeg, Manitoba climate data is summarized below. Average annual temperatures range from -1.2 °C (low) to 8.7 °C (high). Annual precipitation averages 491 Millimeters. 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 | -19.75 °C | -11.11 °C | 0 mm |
| February | -18.9 °C | -9.55 °C | 0 mm |
| March | -9.66 °C | 0.05 °C | 2 mm |
| April | -0.94 °C | 9.82 °C | 29 mm |
| May | 5.74 °C | 17.51 °C | 89 mm |
| June | 12.16 °C | 23.11 °C | 110 mm |
| July | 14.73 °C | 25.85 °C | 95 mm |
| August | 13.69 °C | 25.24 °C | 70 mm |
| September | 8.88 °C | 20.21 °C | 47 mm |
| October | 2.37 °C | 11.43 °C | 49 mm |
| November | -6.21 °C | 1.16 °C | 0 mm |
| December | -16.48 °C | -9.43 °C | 0 mm |
| Annual | -1.2 °C | 8.7 °C | 491 mm |
| 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 : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |