Average sea water temperature in December:
+72.1°F
| Minimum sea water temperature in December: | 78.8°F |
| Maximum sea water temperature in December: | 66.7°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 73.6°F. The highest and lowest sea temperatures during the month were 78.8°F and 66.7°F.
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| Ciudad de la Costa |
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14 days
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Monthly sea water temperature in Ciudad de la Costa, °F
Which Uruguay resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Colonia del Sacramento | 77.1°F | 74.4°F |
| Montevideo | 73.9°F | 71.9°F |
| Ciudad de la Costa | 73.6°F | 71.2°F |
| Punta del Diablo | 71.9°F | 67.8°F |
| Piriapolis | 71.4°F | 69.4°F |
| Cabo Polonio | 70.9°F | 66.9°F |
| Punta del Este | 70.4°F | 68.3°F |
| Maldonado | 70.4°F | 68.3°F |
| La Paloma | 70.2°F | 67.0°F |
| Faro de Jose Ignacio | 69.7°F | 67.7°F |
Best time for vacation in Ciudad de la Costa
Ciudad de la Costa on a weather map
Places in Uruguay:
Name
°F
24 Hours Forecast
Ciudad de la Costa
Local time: 20:55
December 28, sunday
2100

77°F
SW
11 mph
11 mph
December 29, monday
0000

73°F
S
11 mph
11 mph
0300

72°F
SE
11 mph
11 mph
0600

70°F
SE
8 mph
8 mph
0900

81°F
E
11 mph
11 mph
1200

86°F
NE
11 mph
11 mph
1500

84°F
NW
12 mph
12 mph
1800

77°F
NW
14 mph
14 mph



























