| < August >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in Rapid City, South Dakota in August is warm at 21.1 °C (69.98 °F).
- Afternoons can be very hot with average high temperatures reaching 29 °C (84.2 °F).
- Overnight temperatures are generally mild with an average low of 13.2 °C (55.8 °F).
- The mean daily temperature variation/ range in August is 15.8 °C (28.4 °F).
- The weather in August is slightly dry with intermittent rain. Only 51.1mm (2in) of fluid is dropped across on average 8 days.
- The blue above Rapid City, South Dakota is nice and sunny with on balance a considerable 9:38 of glaring sunshine daily.
- The shortest day is 13:15 long and the longest day is 14:37 long with an average length of 13:57.
- There are approximately 4:08 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 70% of daylight hours and cloudy 30% of daylight hours.
Check the distance to and compare the Rapid City, South Dakota August averages with somewhere beginning with:
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Weather Trend Graph for August in Rapid City, South Dakota, Usa
Navigate to August Weather in Locations Surrounding Rapid City, South Dakota:
- Miles City, Montana, Usa - 333.1 kms (207 miles) NW
- Ekalaka, Mt, Usa - 226.4 kms (140.7 miles) NNW
- Sheridan, Wy, Usa - 306.3 kms (190.3 miles) WNW
- Casper, Wy, Usa - 291.3 kms (181 miles) WSW
- Lusk, Wy, Usa - 176.7 kms (109.8 miles) SW
- Chugwater, Wy, Usa - 272.4 kms (169.2 miles) SSW
- Scottsbluff, Ne, Usa - 248 kms (154.1 miles) S
- Kimball, Ne, Usa - 348.3 kms (216.4 miles) S
- Eureka, Sd, Usa - 331.6 kms (206.1 miles) NE
- Faulkton, Sd, Usa - 342.2 kms (212.7 miles) ENE
- Pierre Faa Ap, Sd, Usa - 231.7 kms (144 miles) E
- Rapid City (Airport), Sd, Usa - 2.9 kms (1.8 miles) ESE
- Hay Springs, Ne, Usa - 121.6 kms (75.6 miles) S
- Hot Springs, Sd, Usa - 121.6 kms (75.6 miles) S
- Valentine, Ne, Usa - 255 kms (158.4 miles) ESE
- Alliance, Ne, Usa - 228.5 kms (142 miles) S
- Lodgepole, Ne, Usa - 343.1 kms (213.2 miles) S