Average sea water temperature in December:
+54.6°F
| Minimum sea water temperature in December: | 59.5°F |
| Maximum sea water temperature in December: | 50.9°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 53.9°F. The highest and lowest sea temperatures during the month were 56.8°F and 52.0°F.
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Monthly sea water temperature in San Jose, °F
Which USA resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Kailua Kona | 79.3°F | 78.3°F |
| West Palm Beach | 79.1°F | 78.4°F |
| Fort Lauderdale | 78.8°F | 77.6°F |
| Honolulu | 78.6°F | 78.3°F |
| Hawaii | 78.5°F | 78.3°F |
| Kauai | 78.3°F | 76.0°F |
| Maui | 78.1°F | 77.8°F |
| Miami Beach | 77.5°F | 75.9°F |
| Oahu | 77.1°F | 77.2°F |
| Islamorada | 76.6°F | 73.4°F |
| Key Largo | 76.5°F | 73.1°F |
| Key West | 76.0°F | 72.6°F |
| Miami | 75.8°F | 73.0°F |
| Everglades | 73.9°F | 69.7°F |
| Marco Island | 71.9°F | 68.0°F |
| South Padre Island | 71.6°F | 71.9°F |
| Naples | 71.5°F | 67.7°F |
| Sanibel Island | 71.0°F | 67.1°F |
| Cocoa Beach | 69.5°F | 66.6°F |
| Siesta Key | 69.3°F | 65.6°F |
Best time for vacation in San Jose
San Jose on a weather map
Places in USA:
Name
°F
24 Hours Forecast
San Jose
Local time: 22:46
December 29, monday
0000
41°F
SW
2 mph
2 mph
0300
39°F
SW
2 mph
2 mph
0600
39°F
SW
2 mph
2 mph
0900
39°F
W
2 mph
2 mph
1200
57°F
S
2 mph
2 mph
1500
64°F
S
3 mph
3 mph
1800
57°F
S
2 mph
2 mph
2100
52°F
SW
2 mph
2 mph
