Average sea water temperature in December:
+83.2°F
| Minimum sea water temperature in December: | 86.4°F |
| Maximum sea water temperature in December: | 80.4°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 83.3°F. The highest and lowest sea temperatures during the month were 84.7°F and 82.6°F.
Monthly sea water temperature in Cartago, °F
Which Costa Rica resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Quepos | 83.4°F | 83.4°F |
| Cartago | 83.3°F | 83.3°F |
| San Jose | 83.3°F | 83.3°F |
| Jaco | 83.2°F | 83.0°F |
| Heredia | 83.2°F | 83.2°F |
| Santa Teresa | 83.2°F | 82.6°F |
| Alajuela | 83.1°F | 82.8°F |
| El Roble | 83.1°F | 82.1°F |
| Samara | 83.0°F | 82.6°F |
| Limon | 82.6°F | 82.5°F |
| Puerto Limon | 82.6°F | 82.5°F |
| Cahuita | 82.6°F | 82.5°F |
| Puerto Viejo de Talamanca | 82.6°F | 82.6°F |
| Tamarindo | 82.5°F | 81.8°F |
| Tortuguero | 82.2°F | 82.0°F |
| Playas del Coco | 81.9°F | 81.1°F |
| Playa Flamingo | 81.8°F | 81.3°F |
Best time for vacation in Cartago
Cartago on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Cartago
Local time: 19:58
January 09, friday
2100
57°F
W
4 mph
4 mph
January 10, saturday
0000
54°F
W
4 mph
4 mph
0300
52°F
W
4 mph
4 mph
0600
54°F
W
4 mph
4 mph
0900
68°F
SW
5 mph
5 mph
1200
73°F
SW
6 mph
6 mph
1500
68°F
SW
4 mph
4 mph
1800
59°F
SW
4 mph
4 mph
