Gladstone, Manitoba climate data is summarized below. Average annual temperatures range from 27.8 °F (low) to 47.7 °F (high). Annual precipitation averages 18.8 Inches. 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 | -29 °F | -23.5 °F | 0 in. |
| February | -28.7 °F | -22.8 °F | 0 in. |
| March | -23.8 °F | -17.9 °F | 25.4 in. |
| April | -18.9 °F | -12.6 °F | 635 in. |
| May | -15.1 °F | -8.2 °F | 2311.4 in. |
| June | -11.5 °F | -5.1 °F | 2946.4 in. |
| July | -10.2 °F | -3.5 °F | 2209.8 in. |
| August | -10.9 °F | -3.7 °F | 1905 in. |
| September | -13.7 °F | -6.5 °F | 1016 in. |
| October | -17.3 °F | -11.3 °F | 1092.2 in. |
| November | -22 °F | -17.2 °F | 0 in. |
| December | -27.7 °F | -23 °F | 0 in. |
| Annual | 27.8 °F | 47.7 °F | 18.81 in. |
| 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 : -35°F to -30°F |
| Current Drought Conditions | Normal |