Average sea water temperature in March:
+60.2°F
| Minimum sea water temperature in March: | 68.2°F |
| Maximum sea water temperature in March: | 55.9°F |
Daily sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 64.4°F. The highest and lowest sea temperatures during the month were 68.2°F and 61.0°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 March?
| Place name | March 2026 | March 2025 |
|---|---|---|
| Everglades | 77.4°F | 74.4°F |
| West Palm Beach | 77.1°F | 75.8°F |
| Key Largo | 76.8°F | 75.1°F |
| Miami Beach | 76.8°F | 75.3°F |
| Honolulu | 76.7°F | 76.8°F |
| Fort Lauderdale | 76.6°F | 75.8°F |
| Hawaii | 76.5°F | 76.7°F |
| Kauai | 76.5°F | 75.0°F |
| Key West | 76.5°F | 74.5°F |
| Hilo | 76.3°F | 76.3°F |
| Hialeah | 76.1°F | 74.6°F |
| Miami | 76.0°F | 74.4°F |
| Maui | 75.5°F | 76.0°F |
| Oahu | 74.9°F | 75.7°F |
| Cape Coral | 73.9°F | 71.7°F |
| Marco Island | 73.5°F | 71.8°F |
| Naples | 72.6°F | 71.4°F |
| Corpus Christi | 71.9°F | 67.0°F |
| Tampa | 71.7°F | 69.3°F |
| Cocoa Beach | 71.7°F | 70.0°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: 16:34
May 16, saturday
1800
64°F
NE
9 mph
9 mph
2100
63°F
NE
8 mph
8 mph
May 17, sunday
0000
61°F
N
10 mph
10 mph
0300
61°F
N
12 mph
12 mph
0600
61°F
N
13 mph
13 mph
0900
63°F
N
15 mph
15 mph
1200
64°F
N
16 mph
16 mph
1500
64°F
N
16 mph
16 mph
