World Resorts USA St. Simons Island Weather

St. Simons Island Sea Temperature in August

Average sea water temperature in August:
+85.1°F
Minimum sea water temperature in August: 87.8°F
Maximum sea water temperature in August: 82.0°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 87.6°F and 83.5°F.

Monthly sea water temperature in St. Simons Island, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Key West 88.8°F 87.8°F
Naples 88.7°F 87.0°F
St. Petersburg 88.7°F 86.9°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F
Cocoa Beach 86.8°F 84.5°F
Panama City Beach 86.2°F 86.8°F
Destin 86.0°F 86.9°F
Jacksonville 84.9°F 82.9°F
Orlando 84.9°F 83.4°F
Daytona Beach 84.6°F 83.1°F
Tybee Island 84.5°F 84.0°F

Best time for vacation in St. Simons Island

Sunniest months:
January 15 days
October 15 days
April 15 days
Warmest months:
July 88.3 °F
August 86.9 °F
June 86.3 °F
Warmest sea temp:
August 85.1 °F
July 84.6 °F
September 82.0 °F
Coldest months:
January 59.4 °F
December 62.5 °F
February 64.1 °F
Rainiest months:
August 5 days
July 5 days
September 4 days
Windiest months:
February 6.9 mph
January 6.9 mph
April 6.9 mph

St. Simons Island on a weather map

St. Simons Island
+91°F
W 4 mph
Feels like: +106°F
Precip.: 4%
Places in USA:
Name
°F
+77°F
+79°F
+99°F
+75°F
+91°F
+88°F
+75°F
+86°F
+86°F
+70°F
+68°F
+86°F
+91°F
+91°F
+86°F
24 Hours Forecast
St. Simons Island
Local time: 19:27
June 29, monday
2100
84°F
NW
5 mph
June 30, tuesday
0000
82°F
NE
6 mph
0300
81°F
NE
2 mph
0600
81°F
S
3 mph
0900
82°F
SW
7 mph
1200
88°F
SW
11 mph
1500
86°F
W
13 mph
1800
84°F
W
11 mph
Units of measurement: °C / °F