Average sea water temperature in January:
+83.7°F
| Minimum sea water temperature in January: | 87.1°F |
| Maximum sea water temperature in January: | 80.2°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 83.9°F. The highest and lowest sea temperatures during the month were 84.4°F and 83.5°F.
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| Alajuela |
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| Alajuela |
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| Alajuela |
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| Alajuela |
Monthly sea water temperature in Alajuela, °F
Which Costa Rica resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Quepos | 84.3°F | 84.0°F |
| Heredia | 84.2°F | 83.8°F |
| Cartago | 84.1°F | 84.0°F |
| Jaco | 84.1°F | 83.7°F |
| San Jose | 84.1°F | 83.9°F |
| Alajuela | 83.9°F | 83.5°F |
| Santa Teresa | 83.6°F | 83.2°F |
| Samara | 83.5°F | 83.1°F |
| El Roble | 83.3°F | 82.6°F |
| Tamarindo | 82.7°F | 82.0°F |
| Playas del Coco | 81.8°F | 81.0°F |
| Limon | 81.7°F | 81.5°F |
| Puerto Limon | 81.7°F | 81.5°F |
| Playa Flamingo | 81.7°F | 81.0°F |
| Puerto Viejo de Talamanca | 81.6°F | 81.6°F |
| Cahuita | 81.5°F | 81.5°F |
| Tortuguero | 81.4°F | 81.3°F |
Best time for vacation in Alajuela
Alajuela on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Alajuela
Local time: 23:37
February 05, thursday
0000
64°F
SW
4 mph
4 mph
0300
63°F
SW
4 mph
4 mph
0600
63°F
SW
4 mph
4 mph
0900
68°F
SW
6 mph
6 mph
1200
75°F
SW
8 mph
8 mph
1500
79°F
SW
9 mph
9 mph
1800
66°F
SW
6 mph
6 mph
2100
66°F
SW
5 mph
5 mph
