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St. Simons Island weather in August

Weather in St. Simons Island: August

Average day temperature: 87.3°F
Average night temperature: 76.8°F
Sea water temperature: 85.0°F
Number of sunny days: 5 days
Day length: 12.8 - 13.6 hours
Number of rainy days: 6 days
Precipitation totals: 2.9 in.

Air temperature in August, °F

Show year:
2024
2023
2022

The highest day temperature during August of 2024 was 90°F. At the same time the lowest night temperature was 74°F. Day and night temperature averages during August were 85.0°F and 77.4°F.

Sea water temperature in St. Simons Island in August, °F

Show year:
2024
2023
2022

The average sea water temperature in August of 2024 was 84.1°F. The highest and lowest sea temperatures during the month were 86.2°F and 82.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in St. Simons Island in August is 2.9 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 5.6 mph It makes August one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 6.6.

Best time for vacation in St. Simons Island

Sunniest months:
April 16 days
January 14 days
March 14 days
Warmest months:
July 88.3 °F
August 87.3 °F
June 86.0 °F
Warmest sea temp:
August 85.0 °F
July 84.6 °F
September 82.2 °F
Coldest months:
January 61.5 °F
December 63.8 °F
February 65.5 °F
Rainiest months:
August 6 days
July 6 days
September 5 days
Windiest months:
April 6.6 mph
March 6.4 mph
January 6.4 mph

St. Simons Island on a weather map

St. Simons Island
+52°F
E 6 mph
Feels like: +50°F
Precip.: 0%
Places in USA:
Name
°F
+43°F
+45°F
+72°F
+72°F
+50°F
+57°F
+66°F
+68°F
+43°F
+59°F
+52°F
+55°F
+52°F
+63°F
+37°F
24 Hours Forecast
St. Simons Island
Local time: 05:11
November 24, sunday
0600
52°F
E
6 mph
0900
52°F
E
5 mph
1200
63°F
E
5 mph
1500
70°F
NE
4 mph
1800
72°F
N
4 mph
2100
64°F
NE
5 mph
November 25, monday
0000
61°F
NE
5 mph
0300
57°F
E
6 mph
Units of measurement: °C / °F