World Resorts USA San Diego Weather

San Diego Sea Temperature in April

Average sea water temperature in April:
+61.2°F
Minimum sea water temperature in April: 66.7°F
Maximum sea water temperature in April: 56.1°F

Daily sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 65.1°F. The highest and lowest sea temperatures during the month were 66.7°F and 62.8°F.

Monthly sea water temperature in San Diego, °F

Which USA resorts have warmest sea in April?

Place name April 2026 April 2025
Everglades 78.6°F 78.8°F
Key Largo 78.2°F 78.5°F
West Palm Beach 78.2°F 78.3°F
Key West 78.2°F 78.0°F
Fort Lauderdale 78.1°F 78.0°F
Miami Beach 78.0°F 78.3°F
Hialeah 77.7°F 77.9°F
Miami 77.5°F 77.9°F
Hilo 77.0°F 77.2°F
Honolulu 76.5°F 77.4°F
Cape Coral 76.4°F 77.2°F
Marco Island 76.3°F 77.3°F
Hawaii 76.2°F 77.3°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

Best time for vacation in San Diego

Sunniest months:
July 21 days
June 20 days
August 20 days
Warmest months:
August 78.9 °F
September 77.9 °F
July 76.2 °F
Warmest sea temp:
August 69.9 °F
September 69.0 °F
July 68.8 °F
Coldest months:
January 63.6 °F
December 63.7 °F
February 63.8 °F
Rainiest months:
March 2 days
February 2 days
January 2 days
Windiest months:
May 7.5 mph
April 7.4 mph
March 7.1 mph

San Diego on a weather map

San Diego
+64°F
NE 9 mph
Feels like: +64°F
Precip.: 0%
Places in USA:
Name
°F
+66°F
+79°F
+79°F
+93°F
+72°F
+81°F
+82°F
+75°F
+72°F
+64°F
+70°F
+79°F
+79°F
+82°F
+68°F
24 Hours Forecast
San Diego
Local time: 16:34
May 16, saturday
1800
64°F
NE
9 mph
2100
63°F
NE
8 mph
May 17, sunday
0000
61°F
N
10 mph
0300
61°F
N
12 mph
0600
61°F
N
13 mph
0900
63°F
N
15 mph
1200
64°F
N
16 mph
1500
64°F
N
16 mph
Units of measurement: °C / °F