World Resorts USA St. Simons Island Weather

St. Simons Island Sea Temperature in July

Average sea water temperature in July:
+84.6°F
Minimum sea water temperature in July: 87.6°F
Maximum sea water temperature in July: 80.6°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 84.5°F. The highest and lowest sea temperatures during the month were 87.6°F and 81.7°F.

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

Which USA resorts have warmest sea in July?

Place name July 2025 July 2024
New Orleans 87.4°F 87.1°F
Clearwater Beach 87.1°F 88.3°F
St. Petersburg 87.0°F 88.0°F
Sarasota 86.9°F 87.9°F
Siesta Key 86.9°F 87.9°F
Tampa 86.8°F 87.4°F
Key West 86.7°F 87.6°F
Naples 86.6°F 87.2°F
Miami 86.3°F 86.9°F
Panama City Beach 86.3°F 86.8°F
Houston 86.3°F 86.4°F
Destin 86.3°F 86.6°F
Miami Beach 86.0°F 86.5°F
Tybee Island 85.4°F 85.8°F
Corpus Christi 85.3°F 86.6°F
Fort Lauderdale 85.0°F 86.0°F
Washington 84.8°F 83.9°F
Charleston (SC) 84.7°F 85.2°F
Isle of Palms 84.3°F 85.0°F
Tangier Island 84.0°F 82.0°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
+68°F
+79°F
+97°F
+75°F
+82°F
+84°F
+75°F
+81°F
+75°F
+66°F
+68°F
+81°F
+84°F
+91°F
+86°F
24 Hours Forecast
St. Simons Island
Local time: 19:33
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