Rapid City, Manitoba climate data is summarized below. Average annual temperatures range from 26.4 °F (low) to 45.6 °F (high). Annual precipitation averages 16.3 Inches. 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 | -29.1 °F | -24 °F | 0 in. |
| February | -28.8 °F | -23.3 °F | 0 in. |
| March | -24.2 °F | -18.5 °F | 76.2 in. |
| April | -19.3 °F | -13.1 °F | 330.2 in. |
| May | -15.5 °F | -8.8 °F | 1193.8 in. |
| June | -12.1 °F | -5.9 °F | 2565.4 in. |
| July | -10.8 °F | -4.4 °F | 2946.4 in. |
| August | -11.6 °F | -4.5 °F | 2184.4 in. |
| September | -14.3 °F | -7.1 °F | 635 in. |
| October | -17.7 °F | -11.9 °F | 558.8 in. |
| November | -22.6 °F | -17.9 °F | 0 in. |
| December | -28 °F | -23.6 °F | 0 in. |
| Annual | 26.4 °F | 45.6 °F | 16.27 in. |
| 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°F to -35°F |
| Current Drought Conditions | Normal |