Rapid City Weather in August
Thinking of visiting Rapid City in August? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 15°C (59°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Rapid City in August
Looking at the last 30 years, the data shows about 10 days with rain, averaging 62 mm (2.4 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Rapid City in August
August is one of the better months to visit Rapid City. Expect 29°C (84°F) during the day and 15°C (59°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, August and September typically offer the best weather for Rapid City.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Rapid City's climate page.
Rapid City Temperature in August
Min Temperature
15°C (59°F)
Max Temperature
29°C (84°F)
Chance of Rain
34%
Precipitation
62 mm (2.4 in)
Rainy days
10 days
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Rapid City in August
Warm but pleasant conditions in Rapid City in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days.What To Do in Rapid City in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Rapid City's climate page.
See the full Rapid City climate overview or explore weather in the United States of America.
