Saint Simons Island
Georgia, USA
Long term weather forecast
Long term weather forecast

August weather forecast and Climate
Saint Simons Island, GA

  • Average high temperature in August: 88°F

Warmest month (with highest average high temperature) is July (90°F).
Month with lowest average high temperature is January (61°F).

  • Average low temperature in August: 73°F

Months with highest average low temperature are July and August (73°F).
Coldest month (with lowest average low temperature) is January (41°F).

  • Average rainfall in August: 6.7"

Wettest month (with highest rainfall) is September (7").
Driest month (with lowest rainfall) is November (2.6").

  • Average rainfall days in August: 14 days

Months with highest number of rainy days are July and August (14 days).
Month with lowest number of rainy days is November (6 days).

  • Average sea temperature in August: 82°F

Best months for swimming (with highest average sea temperature) are July, August and September (82°F).
Coldest months (with lowest average sea temperature) are February and March (68°F).

  • Average daylight in August: 13h

Months with longest days are May, June and July (Average daylight: 14).
Months with shortest days are January and December (Average daylight: 10).

  • Average sunshine in August: 8h

Month with most sunshine is May (Average sunshine: 10).
Months with least sunshine are January and December (Average sunshine: 6).

  • Average UV index in August: 10

Months with highest UV index are June and July (UV index 11).
Months with lowest UV index are January, November and December (UV index 4).

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