Charleston weather in August 2020

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  • 31°C maximum daytime temperature in August in Charleston31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in August in Charleston13
    13 days with some rainfall
  • 24°C minimum night-time temperature in August in Charleston24
    24°C min night temperature
  • 13 hours of daylight per day in August in Charleston13
    13 hours of daylight per day
  • Very high heat & humidity in August in CharlestonVH
    Very High heat & humidity
  • 185 mm monthly rainfall in August in Charleston185
    185 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Charleston10
    10 (Very High) UV index
  • 28°C sea temperature in August in Charleston28
    28°C sea temperature
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The August weather guide for Charleston, South Carolina 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.

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How hot is it in Charleston in August?

Daytime temperatures usually reach 31°C in Charleston in August with very high heat and humidity, falling to 24°C at night.

How sunny is it in Charleston in August?

There are normally 8 hours of bright sunshine each day in Charleston in August - that's 62% of daylight hours.

How warm is the sea around Charleston in August?

The average sea temperature around Charleston in August is 28°C.

Does it rain in Charleston in August?

There are usually 13 days with some rain in Charleston in August and the average monthly rainfall is 185mm.

What is the chance of a hurricane in Charleston in August?

On average 1 day in August in Charleston is likely to be affected by the passage of one or more tropical storms.

Charleston sunrise & sunset times for August 2020

Browse the sunrise & sunset times for Charleston in August 2020. Select a month to view Charleston sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Saturday, 1st August 2020 06:34 20:18
Sunday, 16th August 2020 06:44 20:03
Monday, 31st August 2020 06:54 19:45
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in South Carolina in August for 2020/2021?

Below are average maximum temperatures at popular destinations in South Carolina in August. Select a destination to see more weather parameters.

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