Minto, Manitoba climate data is summarized below. Average annual temperatures range from -2.4 °C (low) to 8.5 °C (high). Annual precipitation averages 580 Millimeters. Minto is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -19.38 °C | -9.71 °C | 0 mm |
| February | -18.91 °C | -8.86 °C | 0 mm |
| March | -10.38 °C | 0.03 °C | 5 mm |
| April | -2.34 °C | 9.09 °C | 37 mm |
| May | 4.28 °C | 16.7 °C | 91 mm |
| June | 10.52 °C | 21.86 °C | 137 mm |
| July | 12.99 °C | 24.73 °C | 116 mm |
| August | 11.52 °C | 24.59 °C | 106 mm |
| September | 6.96 °C | 19.86 °C | 50 mm |
| October | 0.6 °C | 11.3 °C | 35 mm |
| November | -7.68 °C | 1.19 °C | 3 mm |
| December | -17.39 °C | -9.03 °C | 0 mm |
| Annual | -2.4 °C | 8.5 °C | 580 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Abnormally Dry |