Grandview, Manitoba climate data is summarized below. Average annual temperatures range from -3.4 °C (low) to 7.5 °C (high). Annual precipitation averages 494 Millimeters. Grandview 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 | -20.54 °C | -11.18 °C | 0 mm |
| February | -20.56 °C | -10.1 °C | 0 mm |
| March | -12.52 °C | -1.74 °C | 0 mm |
| April | -3.15 °C | 8.27 °C | 22 mm |
| May | 3.59 °C | 16.51 °C | 65 mm |
| June | 9.84 °C | 21.7 °C | 133 mm |
| July | 12.54 °C | 24.52 °C | 95 mm |
| August | 10.96 °C | 23.75 °C | 82 mm |
| September | 6.03 °C | 19.09 °C | 47 mm |
| October | 0.09 °C | 10.31 °C | 50 mm |
| November | -8.47 °C | -0.47 °C | 0 mm |
| December | -18.9 °C | -10.63 °C | 0 mm |
| Annual | -3.4 °C | 7.5 °C | 494 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 |