Average sea water temperature in January:
+84.1°F
Minimum sea water temperature in January: | 87.3°F |
Maximum sea water temperature in January: | 80.8°F |
Daily sea water temperature in January, °F
Show year:
2025
2024
2023
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78
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92
The average sea water temperature in January of 2025 was 83.9°F. The highest and lowest sea temperatures during the month were 85.3°F and 82.0°F.
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San Jose |
monthly
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San Jose |
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San Jose |
14 days
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San Jose |
Monthly sea water temperature in San Jose, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
83.2
82.6
83.1
83.8
84.2
84.1
84.4
85
85.6
85.3
84.8
84.1
Which Costa Rica resorts have warmest sea in January?
Place name | January 2025 | January 2024 |
---|---|---|
Cartago | 84.0°F | 86.2°F |
Quepos | 84.0°F | 86.3°F |
San Jose | 83.9°F | 86.2°F |
Heredia | 83.8°F | 86.0°F |
Jaco | 83.7°F | 85.9°F |
Alajuela | 83.5°F | 85.6°F |
Santa Teresa | 83.2°F | 85.4°F |
Samara | 83.1°F | 85.2°F |
El Roble | 82.6°F | 84.9°F |
Tamarindo | 82.0°F | 84.5°F |
Puerto Viejo de Talamanca | 81.6°F | 82.8°F |
Cahuita | 81.5°F | 82.8°F |
Limon | 81.5°F | 82.7°F |
Puerto Limon | 81.5°F | 82.7°F |
Tortuguero | 81.3°F | 82.5°F |
Playas del Coco | 81.0°F | 83.1°F |
Playa Flamingo | 81.0°F | 83.1°F |
Best time for vacation in San Jose
San Jose on a weather map
Leaflet | Tiles © Esri
Places in Costa Rica:
Name
°F
24 Hours Forecast
San Jose
Local time: 08:53
March 14, friday
0900

77°F
SW
2 mph
2 mph
1200

84°F
SE
2 mph
2 mph
1500

81°F
SE
3 mph
3 mph
1800

61°F
SW
1 mph
1 mph
2100

61°F
W
2 mph
2 mph
March 15, saturday
0000

59°F
W
2 mph
2 mph
0300

55°F
W
3 mph
3 mph
0600

55°F
W
3 mph
3 mph