Best time to visit St Simons Island

Find the best time to visit St Simons Island and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.

St Simons Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Georgia

Avalon Waterways: Top deals on 2025 river cruises

  • Book early & save on 2025 river cruises with Avalon Waterways
  • Filter deals by promotion, month, destination & more
  • Travel between 1st Jan & 31st Dec 2025 (inclusive)
Go to Avalon Waterways deal >>

Expires at 23:59 on Wednesday 31st Dec 2025 · View all Avalon Waterways offers

When is the best time to visit St Simons Island?

The best time to visit St Simons Island is May based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

Change criteria

Max Day Temperature (°C)

  • 16°C maximum daytime temperature in January in St Simons Island16
    Jan
  • 17°C maximum daytime temperature in February in St Simons Island17
    Feb
  • 21°C maximum daytime temperature in March in St Simons Island21
    Mar
  • 24°C maximum daytime temperature in April in St Simons Island24
    Apr
  • 28°C maximum daytime temperature in May in St Simons Island28
    May
  • 30°C maximum daytime temperature in June in St Simons Island30
    Jun
  • 32°C maximum daytime temperature in July in St Simons Island32
    Jul
  • 31°C maximum daytime temperature in August in St Simons Island31
    Aug
  • 29°C maximum daytime temperature in September in St Simons Island29
    Sep
  • 25°C maximum daytime temperature in October in St Simons Island25
    Oct
  • 21°C maximum daytime temperature in November in St Simons Island21
    Nov
  • 18°C maximum daytime temperature in December in St Simons Island18
    Dec

Hours of Sunshine (daily)

Which is the hottest month in St Simons Island?

The hottest time of year in St Simons Island is normally July. Expect maximum daytime temperatures to reach 32°C with very high heat and humidity.

Which month has the most rain in St Simons Island?

In terms of rainfall, September is usually the wettest month in St Simons Island with 179mm on average. There are normally 11 days in September with some rain.

When is it sunniest in St Simons Island?

The sunniest time of year in St Simons Island is normally April with bright sunshine on average for 72% of daylight hours; that's 9 hours of sunshine per day.

When is the sea warmest in St Simons Island?

The sea is usually at its warmest in St Simons Island in August when the water temperature reaches 28°C.

Best time to visit

The weather guide for Georgia (USA) (St Simons Island) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Georgia (USA) travel features

Do you want to learn more about Georgia (USA)? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Georgia (USA).

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Back to Holiday Weather Top ^