Average sea water temperature in December:
+50.7°F
| Minimum sea water temperature in December: | 53.4°F |
| Maximum sea water temperature in December: | 47.7°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 52.3°F. The highest and lowest sea temperatures during the month were 53.4°F and 50.9°F.
Monthly sea water temperature in Seaside, °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 | 79.0°F | 78.4°F |
| Fort Lauderdale | 78.7°F | 77.6°F |
| Honolulu | 78.6°F | 78.3°F |
| Hawaii | 78.5°F | 78.3°F |
| Kauai | 78.2°F | 76.0°F |
| Maui | 78.1°F | 77.8°F |
| Miami Beach | 77.4°F | 75.9°F |
| Oahu | 77.1°F | 77.2°F |
| Islamorada | 76.5°F | 73.4°F |
| Key Largo | 76.4°F | 73.1°F |
| Key West | 75.9°F | 72.6°F |
| Miami | 75.6°F | 73.0°F |
| Everglades | 73.7°F | 69.7°F |
| Marco Island | 71.9°F | 68.0°F |
| South Padre Island | 71.7°F | 71.9°F |
| Naples | 71.5°F | 67.7°F |
| Sanibel Island | 71.0°F | 67.1°F |
| Cocoa Beach | 69.6°F | 66.6°F |
| Siesta Key | 69.3°F | 65.6°F |
Best time for vacation in Seaside
Seaside on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Seaside
Local time: 12:02
December 30, tuesday
1500
54°F
SW
2 mph
2 mph
1800
52°F
W
3 mph
3 mph
2100
48°F
NW
5 mph
5 mph
December 31, wednesday
0000
45°F
W
5 mph
5 mph
0300
45°F
NW
4 mph
4 mph
0600
45°F
W
4 mph
4 mph
0900
45°F
W
5 mph
5 mph
1200
48°F
W
3 mph
3 mph
