Rorketon, Manitoba climate data is summarized below. Average annual temperatures range from -2.8 °C (low) to 7.7 °C (high). Annual precipitation averages 457 Millimeters. Rorketon is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -21.37 °C | -11.45 °C | 0 mm |
| February | -21.3 °C | -10.17 °C | 0 mm |
| March | -13.26 °C | -1.92 °C | 0 mm |
| April | -3.2 °C | 8.1 °C | 20 mm |
| May | 4.17 °C | 16.36 °C | 63 mm |
| June | 10.78 °C | 21.95 °C | 109 mm |
| July | 13.79 °C | 25.02 °C | 86 mm |
| August | 12.75 °C | 24.31 °C | 81 mm |
| September | 8.01 °C | 19.14 °C | 49 mm |
| October | 1.91 °C | 10.55 °C | 49 mm |
| November | -7 °C | 0.19 °C | 0 mm |
| December | -19.05 °C | -10.34 °C | 0 mm |
| Annual | -2.8 °C | 7.7 °C | 457 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |