World Resorts USA St. Simons Island Weather

St. Simons Island Sea Temperature in April

Average sea water temperature in April:
+69.3°F
Minimum sea water temperature in April: 76.1°F
Maximum sea water temperature in April: 61.9°F

Daily sea water temperature in April, °F

Show year:
2025
2024
2023
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25
27
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31
60
63
66
69
72
75
78
81

The average sea water temperature in April of 2025 was 71.2°F. The highest and lowest sea temperatures during the month were 76.1°F and 66.6°F.

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

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
59.5
67.8
74.4
82.2
85
84.6
80.8
75.6
69.3
62.8
56.8
56

Which USA resorts have warmest sea in April?

Place name April 2025 April 2024
Everglades 78.7°F 78.0°F
West Palm Beach 78.3°F 77.5°F
Miami Beach 78.2°F 77.1°F
Kailua Kona 78.1°F 76.9°F
Fort Lauderdale 77.9°F 76.9°F
Key West 77.9°F 77.6°F
Miami 77.8°F 76.9°F
Honolulu 77.3°F 76.2°F
Hawaii 77.2°F 76.1°F
Marco Island 77.1°F 76.6°F
Cape Coral 77.0°F 76.3°F
Naples 76.8°F 76.3°F
Maui 76.5°F 75.4°F
Tampa 76.4°F 74.1°F
Oahu 76.3°F 75.0°F
Sarasota 75.8°F 74.3°F
Siesta Key 75.5°F 74.3°F
Clearwater Beach 75.3°F 73.5°F
Kauai 74.8°F 75.1°F
Cocoa Beach 74.8°F 73.9°F

Best time for vacation in St. Simons Island

Sunniest months:
January 14 days
March 14 days
April 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 59.8 °F
December 62.7 °F
February 64.8 °F
Rainiest months:
August 6 days
July 6 days
September 5 days
Windiest months:
December 6.7 mph
January 6.7 mph
February 6.6 mph

St. Simons Island on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+72°F
+77°F
+75°F
+75°F
+72°F
+66°F
+82°F
+79°F
+88°F
+63°F
+52°F
+91°F
+97°F
+82°F
+68°F
24 Hours Forecast
St. Simons Island
Local time: 14:15
April 28, monday
1500
82°F
W
7 mph
1800
79°F
W
8 mph
2100
73°F
W
7 mph
April 29, tuesday
0000
72°F
NW
4 mph
0300
72°F
W
4 mph
0600
72°F
W
3 mph
0900
73°F
W
5 mph
1200
77°F
NW
7 mph
Units of measurement: °C / °F