Average sea water temperature in August:
+84.3°F
| Minimum sea water temperature in August: | 87.8°F |
| Maximum sea water temperature in August: | 82.0°F |
Daily sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 86.8°F. The highest and lowest sea temperatures during the month were 87.8°F and 86.2°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 August?
| Place name | August 2026 | August 2025 |
|---|---|---|
| San Jose | 86.9°F | 84.4°F |
| Heredia | 86.9°F | 84.4°F |
| Cartago | 86.9°F | 84.4°F |
| Jaco | 86.8°F | 84.5°F |
| Santa Teresa | 86.8°F | 84.3°F |
| Alajuela | 86.8°F | 84.4°F |
| Quepos | 86.8°F | 84.3°F |
| Samara | 86.7°F | 84.4°F |
| El Roble | 86.5°F | 84.2°F |
| Tamarindo | 86.2°F | 84.1°F |
| Playa Flamingo | 85.7°F | 84.0°F |
| Playas del Coco | 85.4°F | 84.0°F |
| Limon | 83.7°F | 84.2°F |
| Puerto Limon | 83.7°F | 84.2°F |
| Puerto Viejo de Talamanca | 83.5°F | 84.1°F |
| Cahuita | 83.5°F | 84.1°F |
| Tortuguero | 83.3°F | 83.8°F |
Best time for vacation in Alajuela
Alajuela on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Alajuela
Local time: 22:22
August 27, thursday
0000
66°F
SW
3 mph
3 mph
0300
66°F
SW
4 mph
4 mph
0600
66°F
SW
4 mph
4 mph
0900
79°F
SW
3 mph
3 mph
1200
82°F
E
2 mph
2 mph
1500
77°F
NE
2 mph
2 mph
1800
70°F
S
2 mph
2 mph
2100
68°F
SW
4 mph
4 mph
