St Simons Island weather in June 2025

Expect 30°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in St Simons Island in June. Check more long-term weather averages for St Simons Island in June before you book your next holiday to Georgia (USA) in 2025/2026.

  • 30°C maximum daytime temperature in June in St Simons Island30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 12 days with some rainfall in June in St Simons Island12
    12 days with some rainfall
  • 22°C minimum night-time temperature in June in St Simons Island22
    22°C min night temperature
  • 14 hours of daylight per day in June in St Simons Island14
    14 hours of daylight per day
  • High heat & humidity in June in St Simons IslandH
    High heat & humidity
  • 130 mm monthly rainfall in June in St Simons Island130
    130 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in June in St Simons Island11
    11 (Extreme) UV index
  • 27°C sea temperature in June in St Simons Island27
    27°C sea temperature

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The June 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 June?

Daytime temperatures usually reach 30°C in St Simons Island in June with high heat and humidity, falling to 22°C at night.

How sunny is it in St Simons Island in June?

There are normally 9 hours of bright sunshine each day in St Simons Island in June - that's 66% of daylight hours.

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

The average sea temperature around St Simons Island in June is 27°C.

Does it rain in St Simons Island in June?

There are usually 12 days with some rain in St Simons Island in June and the average monthly rainfall is 130mm.

What is the chance of a hurricane in St Simons Island in June?

On average less than 1 day in June in St Simons Island is likely to be affected by the passage of one or more tropical storms.

St Simons Island June sunrise & sunset times

Browse the sunrise and sunset times for St Simons Island in June 2025. 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 June 2025 05:22 19:25
Sunday, 15th June 2025 05:21 19:31
Monday, 30th June 2025 05:25 19:34

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