St Simons Island weather in December 2024

Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in St Simons Island in December. Check more long-term weather averages for St Simons Island in December before you book your next holiday to Georgia (USA) in 2024/2025.

  • 18°C maximum daytime temperature in December in St Simons Island18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 8 days with some rainfall in December in St Simons Island8
    8 days with some rainfall
  • 7°C minimum night-time temperature in December in St Simons Island7
    7°C min night temperature
  • 10 hours of daylight per day in December in St Simons Island10
    10 hours of daylight per day
  • No heat & humidity in December in St Simons Island0
    No heat & humidity
  • 72 mm monthly rainfall in December in St Simons Island72
    72 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in December in St Simons Island4
    4 (Moderate) UV index
  • 18°C sea temperature in December in St Simons Island18
    18°C sea temperature

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The December 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 December?

Daytime temperatures usually reach 18°C in St Simons Island in December, falling to 7°C at night.

How sunny is it in St Simons Island in December?

There are normally 6 hours of bright sunshine each day in St Simons Island in December - that's 58% of daylight hours.

How warm is the sea around St Simons Island in December?

The average sea temperature around St Simons Island in December is 18°C.

Does it rain in St Simons Island in December?

There are usually 8 days with some rain in St Simons Island in December and the average monthly rainfall is 72mm.

St Simons Island December sunrise & sunset times

Browse the sunrise and sunset times for St Simons Island in December 2024. Select a month to view St Simons Island sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 07:07 17:23
Monday, 16th December 2024 07:17 17:25
Tuesday, 31st December 2024 07:24 17:34

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