Average sea water temperature in March:
+84.7°F
| Minimum sea water temperature in March: | 86.9°F |
| Maximum sea water temperature in March: | 82.6°F |
Daily sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 85.6°F. The highest and lowest sea temperatures during the month were 86.5°F and 84.9°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 March?
| Place name | March 2026 | March 2025 |
|---|---|---|
| Quepos | 86.5°F | 86.4°F |
| Cartago | 86.3°F | 86.3°F |
| San Jose | 86.3°F | 86.2°F |
| Heredia | 86.2°F | 86.0°F |
| Jaco | 86.0°F | 85.8°F |
| Alajuela | 85.6°F | 85.5°F |
| Santa Teresa | 84.7°F | 84.9°F |
| El Roble | 84.5°F | 84.6°F |
| Samara | 84.1°F | 84.7°F |
| Tamarindo | 83.1°F | 83.8°F |
| Limon | 82.2°F | 83.5°F |
| Puerto Limon | 82.2°F | 83.5°F |
| Cahuita | 82.2°F | 83.5°F |
| Puerto Viejo de Talamanca | 82.1°F | 83.5°F |
| Tortuguero | 82.1°F | 83.5°F |
| Playas del Coco | 81.5°F | 82.5°F |
| Playa Flamingo | 81.4°F | 82.3°F |
Best time for vacation in Alajuela
Alajuela on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Alajuela
Local time: 16:34
May 17, sunday
1800
70°F
SW
2 mph
2 mph
2100
68°F
SW
4 mph
4 mph
May 18, monday
0000
66°F
SW
4 mph
4 mph
0300
63°F
SW
4 mph
4 mph
0600
64°F
SW
5 mph
5 mph
0900
79°F
SW
4 mph
4 mph
1200
86°F
SW
4 mph
4 mph
1500
79°F
SW
1 mph
1 mph
