Gladstone, Manitoba climate data is summarized below. Average annual temperatures range from -2.3 °C (low) to 8.7 °C (high). Annual precipitation averages 478 Millimeters. Gladstone is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -20.27 °C | -10.34 °C | 0 mm |
| February | -19.62 °C | -9.04 °C | 0 mm |
| March | -10.86 °C | -0.25 °C | 1 mm |
| April | -2.04 °C | 9.28 °C | 25 mm |
| May | 4.82 °C | 17.3 °C | 91 mm |
| June | 11.23 °C | 22.82 °C | 116 mm |
| July | 13.66 °C | 25.71 °C | 87 mm |
| August | 12.36 °C | 25.34 °C | 75 mm |
| September | 7.34 °C | 20.38 °C | 40 mm |
| October | 0.95 °C | 11.74 °C | 43 mm |
| November | -7.54 °C | 1.07 °C | 0 mm |
| December | -17.91 °C | -9.38 °C | 0 mm |
| Annual | -2.3 °C | 8.7 °C | 478 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |