Average sea water temperature in May:
+85.4°F
| Minimum sea water temperature in May: | 87.8°F |
| Maximum sea water temperature in May: | 83.3°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 86.3°F. The highest and lowest sea temperatures during the month were 87.3°F and 85.8°F.
Monthly sea water temperature in Jaco, °F
Which Costa Rica resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Cartago | 86.6°F | 85.8°F |
| Quepos | 86.6°F | 85.7°F |
| San Jose | 86.6°F | 85.9°F |
| Heredia | 86.4°F | 85.8°F |
| Jaco | 86.3°F | 85.9°F |
| Samara | 86.2°F | 85.8°F |
| Santa Teresa | 86.2°F | 86.2°F |
| Alajuela | 86.2°F | 85.8°F |
| El Roble | 85.9°F | 85.8°F |
| Tamarindo | 85.9°F | 85.3°F |
| Playa Flamingo | 85.5°F | 85.1°F |
| Playas del Coco | 85.2°F | 85.4°F |
| Tortuguero | 84.7°F | 84.3°F |
| Limon | 84.6°F | 84.1°F |
| Puerto Limon | 84.6°F | 84.1°F |
| Puerto Viejo de Talamanca | 84.5°F | 84.0°F |
| Cahuita | 84.5°F | 84.1°F |
Best time for vacation in Jaco
Jaco on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Jaco
Local time: 16:31
May 17, sunday
1800
82°F
N
3 mph
3 mph
2100
82°F
W
2 mph
2 mph
May 18, monday
0000
81°F
SW
2 mph
2 mph
0300
81°F
S
4 mph
4 mph
0600
81°F
SW
4 mph
4 mph
0900
84°F
SE
1 mph
1 mph
1200
86°F
N
7 mph
7 mph
1500
86°F
N
8 mph
8 mph
