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
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
Kailua Kona 77.6°F 78.1°F
Miami 77.5°F 77.9°F
Honolulu 76.5°F 77.4°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
South Padre Island 75.7°F 74.5°F
Tampa 75.3°F 76.6°F
St. Petersburg 75.2°F 76.3°F
Corpus Christi 75.0°F 74.7°F
Oahu 74.9°F 76.4°F
Clearwater Beach 74.7°F 75.6°F
Galveston 74.7°F 73.8°F
Houston 74.5°F 73.7°F
Sarasota 74.2°F 76.0°F

Best time for vacation in San Diego

Sunniest months:
November 20 days
July 20 days
August 20 days
Warmest months:
August 79.3 °F
September 77.9 °F
July 76.5 °F
Warmest sea temp:
August 70.0 °F
September 69.3 °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
+63°F
NE 4 mph
Feels like: +63°F
Precip.: 27%
Places in USA:
Name
°F
+36°F
+39°F
+70°F
+61°F
+63°F
+66°F
+63°F
+39°F
+63°F
+55°F
+63°F
+64°F
+59°F
+63°F
+37°F
24 Hours Forecast
San Diego
Local time: 21:58
November 14, saturday
0000
63°F
NE
6 mph
0300
63°F
NE
7 mph
0600
63°F
E
5 mph
0900
66°F
E
6 mph
1200
68°F
E
6 mph
1500
68°F
E
6 mph
1800
64°F
E
2 mph
2100
63°F
NW
1 mph
Units of measurement: °C / °F