St Simons Island weather in March 2025

Expect 21°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Simons Island in March. Check more long-term weather averages for St Simons Island in March before you book your next holiday to Georgia (USA) in 2025/2026.

  • 21°C maximum daytime temperature in March in St Simons Island21
    21°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in March in St Simons Island8
    8 days with some rainfall
  • 10°C minimum night-time temperature in March in St Simons Island10
    10°C min night temperature
  • 12 hours of daylight per day in March in St Simons Island12
    12 hours of daylight per day
  • No heat & humidity in March in St Simons Island0
    No heat & humidity
  • 100 mm monthly rainfall in March in St Simons Island100
    100 mm of monthly rainfall
  • UV (maximum) index 7 (High) in March in St Simons Island7
    7 (High) UV index
  • 16°C sea temperature in March in St Simons Island16
    16°C sea temperature

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The March 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 March?

Daytime temperatures usually reach 21°C in St Simons Island in March, falling to 10°C at night.

How sunny is it in St Simons Island in March?

There are normally 8 hours of bright sunshine each day in St Simons Island in March - that's 67% of daylight hours.

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

The average sea temperature around St Simons Island in March is 16°C.

Does it rain in St Simons Island in March?

There are usually 8 days with some rain in St Simons Island in March and the average monthly rainfall is 100mm.

St Simons Island March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:52 18:24
Sunday, 16th March 2025 06:34 18:35
Monday, 31st March 2025 06:15 18:44

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