Duck Bay, Manitoba climate data is summarized below. Average annual temperatures range from -3 °C (low) to 4.6 °C (high). Annual precipitation averages 479 Millimeters. Duck Bay is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -21.46 °C | -12.61 °C | 0 mm |
| February | -21.56 °C | -11.36 °C | 0 mm |
| March | -13.78 °C | -3.38 °C | 0 mm |
| April | -4.41 °C | 4.58 °C | 19 mm |
| May | 2.1 °C | 10.19 °C | 64 mm |
| June | 9.11 °C | 15.72 °C | 116 mm |
| July | 12.65 °C | 18.74 °C | 99 mm |
| August | 13.29 °C | 19.56 °C | 77 mm |
| September | 9.71 °C | 16.3 °C | 49 mm |
| October | 3.99 °C | 9.32 °C | 55 mm |
| November | -5.95 °C | -0.35 °C | 0 mm |
| December | -19.28 °C | -11.54 °C | 0 mm |
| Annual | -3 °C | 4.6 °C | 479 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°C to -37.2°C |
| Current Drought Conditions | Normal |