St Simons Island weather in October 2025

Expect daytime maximum temperatures of 25°C in St Simons Island, Georgia (USA) in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 90 mm of rainfall in the month.

  • 25°C maximum daytime temperature in October in St Simons Island25
    25°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in October in St Simons Island8
    8 days with some rainfall
  • 16°C minimum night-time temperature in October in St Simons Island16
    16°C min night temperature
  • 11 hours of daylight per day in October in St Simons Island11
    11 hours of daylight per day
  • Low heat & humidity in October in St Simons IslandL
    Low heat & humidity
  • 90 mm monthly rainfall in October in St Simons Island90
    90 mm of monthly rainfall
  • UV (maximum) index 7 (High) in October in St Simons Island7
    7 (High) UV index
  • 24°C sea temperature in October in St Simons Island24
    24°C sea temperature

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The October weather guide for Georgia (USA) (St Simons Island) 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 St Simons Island in October?

Daytime temperatures usually reach 23°C in St Simons Island in October, falling to 11°C at night.

How sunny is it in St Simons Island in October?

There are normally 8 hours of bright sunshine each day in St Simons Island in October - that's 66% of daylight hours.

Does it rain in St Simons Island in October?

There are usually 6 days with some rain in St Simons Island in October and the average monthly rainfall is 76mm.

St Simons Island October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:19 18:10
Thursday, 16th October 2025 06:29 17:52
Friday, 31st October 2025 06:41 17:37

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