When to go · Rapid City, United States
Best Time to Visit Rapid City
The sweet spot for Rapid City is June, September and August. Here's every month's temperature and rain so you can plan around your own dates.
Go now
June, September, August
Comfortable and drier
Shoulder
July, May, April
Fewer crowds, a trade-off
Think twice
November, March
Hottest is August (25°C)
Rapid City weather, month by month
| Month | High | Low | Rain | Feel |
|---|---|---|---|---|
| Jan | -2°C / 28°F | -8°C / 18°F | 59mm | cold, mostly dry |
| Feb | -2°C / 28°F | -10°C / 14°F | 57mm | cold, mostly dry |
| Mar | 4°C / 39°F | -5°C / 23°F | 79mm | cold, some rain |
| Apr | 11°C / 52°F | 2°C / 36°F | 82mm | cool, some rain |
| May | 19°C / 66°F | 8°C / 46°F | 64mm | mild, some rain |
| JunBEST | 25°C / 77°F | 14°C / 57°F | 63mm | warm, some rain |
| Jul | 25°C / 77°F | 16°C / 61°F | 102mm | warm, some rain |
| AugBEST | 25°C / 77°F | 16°C / 61°F | 84mm | warm, some rain |
| SepBEST | 22°C / 72°F | 13°C / 55°F | 78mm | mild, some rain |
| Oct | 15°C / 59°F | 8°C / 46°F | 127mm | cool, wet |
| Nov | 7°C / 45°F | 0°C / 32°F | 88mm | cold, some rain |
| Dec | 2°C / 36°F | -3°C / 27°F | 75mm | cold, some rain |
Averages from Open-Meteo ERA5 climate reanalysis, 2019 to 2023. Highs and lows are daily averages for each month; rain is the monthly total. Tap a month for a detailed guide.
Want the timing decided for you? A Local Friend in Rapid City plans around the seasons for you.