Charleston weather in October 2025

Expect 24°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Charleston in October. Check more long-term weather averages for Charleston in October before you book your next holiday to South Carolina in 2025/2026.

  • 24°C maximum daytime temperature in October in Charleston24
    24°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in October in Charleston6
    6 days with some rainfall
  • 15°C minimum night-time temperature in October in Charleston15
    15°C min night temperature
  • 11 hours of daylight per day in October in Charleston11
    11 hours of daylight per day
  • No heat & humidity in October in Charleston0
    No heat & humidity
  • 73 mm monthly rainfall in October in Charleston73
    73 mm of monthly rainfall
  • UV (maximum) index 6 (High) in October in Charleston6
    6 (High) UV index
  • 23°C sea temperature in October in Charleston23
    23°C sea temperature

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The October weather guide for South Carolina (Charleston) 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.

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

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More about the USA

How hot is it in Charleston in October?

Daytime temperatures usually reach 24°C in Charleston in October, falling to 15°C at night.

How sunny is it in Charleston in October?

There are normally 7 hours of bright sunshine each day in Charleston in October - that's 64% of daylight hours.

How warm is the sea around Charleston in October?

The average sea temperature around Charleston in October is 23°C.

Does it rain in Charleston in October?

There are usually 6 days with some rain in Charleston in October and the average monthly rainfall is 73mm.

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

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

Charleston October sunrise & sunset times

Browse the sunrise and sunset times for Charleston in October 2025. Select a month to view Charleston sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:14 18:04
Thursday, 16th October 2025 06:25 17:45
Friday, 31st October 2025 06:37 17:29

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