South Carolina weather in August 2025

Expect daytime maximum temperatures of 32°C in South Carolina in August and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 131 mm of rainfall in the month.

• 32
  32°C max day temperature
• 9
  9 hours of sunshine per day
• 10
  10 days with some rainfall
• 20
  20°C min night temperature
• 13
  13 hours of daylight per day
• VH
  Very High heat & humidity
• 131
  131 mm of monthly rainfall
• 10
  10 (Very High) UV index

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The August weather guide for South Carolina (Columbia) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top South Carolina destinations

Below are average maximum temperatures at popular countries, regions and places in South Carolina in August. Select a holiday destination to see more weather parameters.

• 32
  Myrtle Beach
• 31
  Charleston
• 31
  Hilton Head Island
• 30
  Greenville

All South Carolina destinations

• Aiken
• Charleston
• Columbia
• Florence
• Greenville
• Greenwood
• Hilton Head Island
• Myrtle Beach
• Orangeburg
• Rock Hill

Metric (°C / mm)  |  Imperial (°F / inches)

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South Carolina August sunrise & sunset times

Browse the sunrise and sunset times for South Carolina in August 2025. Select a month to view South Carolina sunrise and sunset times for the next 12 months. The South Carolina sunrise and sunset times shown below are for Columbia.

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