Measurements:
°C
°F
World Resorts Costa Rica

Costa Rica Sea Water Temperature in March

The Costa Rica resorts with the warmest sea water temperature in March are Quepos, Cartago and San Jose.

Below you can see a list of all popular Costa Rica resorts and information about sea water temperature in March for the last two years.

Resort Name March 2025 March 2024 March 2023
Quepos 90.4°F 91.1°F 89.3°F
Cartago 90.3°F 91.1°F 89.2°F
San Jose 90.3°F 91.1°F 89.2°F
Heredia 90.0°F 90.6°F 89.0°F
Jaco 89.7°F 90.4°F 88.8°F
Alajuela 89.5°F 90.1°F 88.5°F
Santa Teresa 88.8°F 88.9°F 87.8°F
Samara 88.6°F 88.4°F 87.2°F
El Roble 88.5°F 89.0°F 87.2°F
Tamarindo 87.5°F 87.2°F 86.4°F
Cahuita 87.2°F 86.6°F 85.6°F
Tortuguero 87.2°F 86.7°F 85.3°F
Limon 87.2°F 86.7°F 85.4°F
Puerto Limon 87.2°F 86.7°F 85.4°F
Puerto Viejo de Talamanca 87.2°F 86.7°F 85.5°F
Playas del Coco 86.1°F 86.7°F 85.3°F
Playa Flamingo 85.8°F 86.3°F 85.3°F

Please see following sea water temperature averages charts for the warmest Costa Rica resorts in March.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
120
87.1
86.3
87.1
87.7
88.1
87.9
88.4
89.3
90
89.8
89.3
88.2
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
120
86.9
86.2
86.8
87.5
87.9
87.8
88.3
88.9
89.6
89.4
88.7
87.9
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
120
86.9
86.2
86.8
87.5
88
87.8
88.3
88.9
89.6
89.3
88.7
87.8

You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.