Average sea water temperature in May:
+85.0°F
| Minimum sea water temperature in May: | 87.4°F |
| Maximum sea water temperature in May: | 82.8°F |
Daily sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 85.8°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.9°F.
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| Alajuela |
monthly
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| Alajuela |
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| Alajuela |
14 days
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| Alajuela |
Monthly sea water temperature in Alajuela, °F
Which Costa Rica resorts have warmest sea in May?
| Place name | May 2025 | May 2024 |
|---|---|---|
| Santa Teresa | 86.2°F | 85.6°F |
| Jaco | 85.9°F | 85.6°F |
| San Jose | 85.9°F | 85.8°F |
| Cartago | 85.8°F | 85.8°F |
| Samara | 85.8°F | 85.6°F |
| Alajuela | 85.8°F | 85.6°F |
| Heredia | 85.8°F | 85.7°F |
| El Roble | 85.8°F | 85.7°F |
| Quepos | 85.7°F | 85.8°F |
| Playas del Coco | 85.4°F | 85.9°F |
| Tamarindo | 85.3°F | 85.5°F |
| Playa Flamingo | 85.1°F | 85.7°F |
| Tortuguero | 84.3°F | 86.1°F |
| Limon | 84.1°F | 86.2°F |
| Puerto Limon | 84.1°F | 86.2°F |
| Cahuita | 84.1°F | 85.9°F |
| Puerto Viejo de Talamanca | 84.0°F | 85.9°F |
Best time for vacation in Alajuela
Alajuela on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Alajuela
Local time: 02:42
December 05, friday
0300

54°F
SW
5 mph
5 mph
0600

54°F
SW
4 mph
4 mph
0900

73°F
S
2 mph
2 mph
1200

82°F
E
2 mph
2 mph
1500

75°F
E
2 mph
2 mph
1800

59°F
SW
2 mph
2 mph
2100

55°F
SW
4 mph
4 mph
December 06, saturday
0000

57°F
SW
4 mph
4 mph



























