October weather forecast and Climate
Saint Simons Island, GA US

• Average high temperature in October: 77°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 October: 61°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 October: 3.5"

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

• Average rainfall days in October: 8 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 October: 77°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 October: 11h

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 October: 7h

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

• Average UV index in October: 7

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).