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:
2026
2025
2024

The average sea water temperature in April of 2026 was 69.1°F. The highest and lowest sea temperatures during the month were 71.8°F and 64.4°F.

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

Which USA resorts have warmest sea in April?

Place name April 2026 April 2025
Key West 78.2°F 78.0°F
Fort Lauderdale 78.1°F 78.0°F
Miami Beach 78.0°F 78.3°F
Miami 77.5°F 77.9°F
Hilo 77.0°F 77.2°F
Honolulu 76.5°F 77.4°F
Hawaii 76.2°F 77.3°F
Molokai 76.2°F 77.2°F
Maui 75.9°F 76.6°F
Kauai 75.9°F 74.9°F
Naples 75.8°F 77.0°F
Tampa 75.3°F 76.6°F
St. Petersburg 75.2°F 76.3°F
Cocoa Beach 75.0°F 75.1°F
Corpus Christi 75.0°F 74.7°F
Oahu 74.9°F 76.4°F
Clearwater Beach 74.7°F 75.6°F
Houston 74.5°F 73.7°F
Sarasota 74.2°F 76.0°F
Siesta Key 73.8°F 75.7°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: 19:32
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