Best Time to Visit Rapid City: Month-by-Month Guide
Best months for Rapid City: September, August.
- Best months for Rapid City: September, August.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: September, October. Good weather without the busiest period.
- Wettest months: June, May, July.
- The least pleasant month is February (score 4.8).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 3°C | -8°C | 13 mm | 4 | – | – | 4.8 |
| February | 4°C | -7°C | 20 mm | 5 | – | – | 4.8 |
| March | 9°C | -3°C | 40 mm | 8 | – | – | 5.7 |
| April | 14°C | 1°C | 80 mm | 11 | – | – | 6.1 |
| May | 19°C | 6°C | 112 mm | 14 | – | – | 6.5 |
| June | 24°C | 12°C | 97 mm | 14 | – | – | 7.1 |
| July | 29°C | 15°C | 78 mm | 14 | – | – | 7.3 |
| August | 28°C | 14°C | 61 mm | 11 | – | – | 7.6 |
| September | 24°C | 9°C | 41 mm | 7 | – | – | 8.2 |
| October | 15°C | 3°C | 50 mm | 7 | – | – | 7.0 |
| November | 8°C | -3°C | 20 mm | 4 | – | – | 5.9 |
| December | 3°C | -7°C | 15 mm | 4 | – | – | 5.0 |
Frequently asked questions
When is the best time to visit Rapid City?
The best months are September, August.
When is the rainy season in Rapid City?
The wettest months are June, May, July.