Average sea water temperature in May:
+85.2°F
| Minimum sea water temperature in May: | 88.3°F |
| Maximum sea water temperature in May: | 82.9°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 86.6°F. The highest and lowest sea temperatures during the month were 87.4°F and 85.6°F.
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| San Jose |
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Monthly sea water temperature in San Jose, °F
Which Costa Rica resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| San Jose | 86.6°F | 85.9°F |
| Cartago | 86.6°F | 85.8°F |
| Quepos | 86.5°F | 85.7°F |
| Santa Teresa | 86.4°F | 86.2°F |
| Heredia | 86.3°F | 85.8°F |
| Samara | 86.3°F | 85.8°F |
| Jaco | 86.3°F | 85.9°F |
| Alajuela | 86.2°F | 85.8°F |
| Tamarindo | 86.0°F | 85.3°F |
| El Roble | 85.9°F | 85.8°F |
| Playa Flamingo | 85.6°F | 85.1°F |
| Playas del Coco | 85.3°F | 85.4°F |
| Limon | 84.8°F | 84.1°F |
| Puerto Limon | 84.8°F | 84.1°F |
| Tortuguero | 84.6°F | 84.3°F |
| Puerto Viejo de Talamanca | 84.4°F | 84.0°F |
| Cahuita | 84.4°F | 84.1°F |
Best time for vacation in San Jose
San Jose on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
San Jose
Local time: 04:19
June 07, sunday
0600
66°F
NE
1 mph
1 mph
0900
66°F
NE
2 mph
2 mph
1200
68°F
NE
3 mph
3 mph
1500
66°F
NE
2 mph
2 mph
1800
66°F
NE
2 mph
2 mph
2100
64°F
NE
2 mph
2 mph
June 08, monday
0000
64°F
NE
2 mph
2 mph
0300
64°F
NE
3 mph
3 mph
