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St Simons Island weather in August 2026
Expect daytime maximum temperatures of 88°F in St Simons Island, Georgia (USA) in August and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 6.7 inches of rainfall in the month.
- 88°F max day temperature
88 - 8 hours of sunshine per day
- 14 days with some rainfall
14 - 73°F min night temperature
73 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 6.7 inches of monthly rainfall
6.7 - 10 (Very High) UV index
10 - 82°F sea temperature
82
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Recommended for Georgia
The August 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) | Imperial (°F)
More about the USA
How hot is it in St Simons Island in August?
Daytime temperatures usually reach 88°F in St Simons Island in August with high heat and humidity, falling to 68°F at night.
How sunny is it in St Simons Island in August?
There are normally 8 hours of bright sunshine each day in St Simons Island in August - that's 62% of daylight hours.
Does it rain in St Simons Island in August?
There are usually 9 days with some rain in St Simons Island in August and the average monthly rainfall is 3.4 inches.
What is the chance of a hurricane in St Simons Island in August?
On average less than 1 day in August in St Simons Island is likely to be affected by the passage of one or more tropical storms.
St Simons Island August sunrise & sunset times
Browse the sunrise and sunset times for St Simons Island in August 2026. Select a month to view St Simons Island sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Saturday, 1st August 2026 | 05:43 | 19:21 |
| Sunday, 16th August 2026 | 05:52 | 19:07 |
| Monday, 31st August 2026 | 06:01 | 18:50 |
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