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.
sea water
temperature
temperature
| San Diego |
monthly
weather
weather
| San Diego |
current
weather
weather
| San Diego |
14 days
forecast
forecast
| San Diego |
Monthly sea water temperature in San Diego, °F
Which USA resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| 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 |
| Miami | 77.5°F | 77.9°F |
| Honolulu | 76.5°F | 77.4°F |
| Cape Coral | 76.4°F | 77.2°F |
| Port St. Lucie | 76.4°F | 74.9°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 |
| 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 |
| Galveston | 74.7°F | 73.8°F |
| Houston | 74.5°F | 73.7°F |
Best time for vacation in San Diego
San Diego on a weather map
Places in USA:
Name
°F
24 Hours Forecast
San Diego
Local time: 21:52
October 25, sunday
0000
70°F
S
6 mph
6 mph
0300
70°F
S
4 mph
4 mph
0600
68°F
S
4 mph
4 mph
0900
70°F
S
3 mph
3 mph
1200
73°F
SE
8 mph
8 mph
1500
73°F
SE
12 mph
12 mph
1800
72°F
SE
11 mph
11 mph
2100
72°F
SE
9 mph
9 mph
