Sea Island, Georgia in May: Warm, Humid, Afternoon Storms Likely

May on Sea Island (Golden Isles, GA) is early summer: warm days, mild nights, rising humidity, and the start of the afternoon thunderstorm season.

Climate Averages (May)

MetricValue
Average High85°F (29°C)
Average Low64°F (18°C)
Mean Temperature75°F (24°C)
Relative Humidity (avg)75%
Precipitation4.5 in (114 mm)
Rainy Days~8–10
Ocean Temp~75°F (24°C) — swimmable
Sunshine~9 hrs/day

What to Expect

  • Mornings: Sunny, pleasant — best for golf, tennis, beach.
  • Afternoons: Convection builds → scattered thunderstorms (brief, heavy, 2–5 PM).
  • Evenings: Clear, comfortable — outdoor dining ideal.
  • Hurricane risk: Very low (season starts June 1; peak Aug–Oct).

Packing Tips

  • Light layers, rain jacket / compact umbrella.
  • Sun protection (UV index 9–10).
  • Lightweight evening wear (resort casual).

May is a sweet spot: warm enough for ocean, not yet peak heat/crowds/hurricane season.

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