Charleston weather in October 2025

Expect 75°F 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.

  • 75°F maximum daytime temperature in October in Charleston75
    75°F max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in October in Charleston6
    6 days with some rainfall
  • 59°F minimum night-time temperature in October in Charleston59
    59°F 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
  • 2.9 inches monthly rainfall in October in Charleston2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 6 (High) in October in Charleston6
    6 (High) UV index
  • 73°F sea temperature in October in Charleston73
    73°F 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)  |  Imperial (°F)

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More about the USA

How hot is it in Charleston in October?

Daytime temperatures usually reach 75°F in Charleston in October, falling to 59°F 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 73°F.

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 2.9 inches.

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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