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
  30°C max day temperature
• 9
  9 hours of sunshine per day
• 12
  12 days with some rainfall
• 22
  22°C min night temperature
• 14
  14 hours of daylight per day
• H
  High heat & humidity
• 130
  130 mm of monthly rainfall
• 11
  11 (Extreme) UV index
• 27
  27°C sea temperature

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St Simons Island by month

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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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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.

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