Rapid City, Manitoba climate data is summarized below. Average annual temperatures range from -3.1 °C (low) to 7.6 °C (high). Annual precipitation averages 413 Millimeters. Rapid City 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.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -20.39 °C | -11.13 °C | 0 mm |
| February | -19.85 °C | -9.89 °C | 0 mm |
| March | -11.5 °C | -1.23 °C | 3 mm |
| April | -2.73 °C | 8.38 °C | 13 mm |
| May | 4.11 °C | 16.1 °C | 47 mm |
| June | 10.27 °C | 21.34 °C | 101 mm |
| July | 12.61 °C | 24.07 °C | 116 mm |
| August | 11.11 °C | 23.91 °C | 86 mm |
| September | 6.27 °C | 19.15 °C | 25 mm |
| October | 0.08 °C | 10.52 °C | 22 mm |
| November | -8.7 °C | -0.16 °C | 0 mm |
| December | -18.39 °C | -10.39 °C | 0 mm |
| Annual | -3.1 °C | 7.6 °C | 413 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 3a : -40°C to -37.2°C |
| Current Drought Conditions | Normal |