January
A good option, with local differences to consider.
YOUR YEAR BENEATH THE SURFACE
Costa Rica.
Coastal diving depends on rain, swell and visibility. Experienced divers may prefer rainy-season big-animal trips to Cocos or the Bat Islands.
SEE THE WHOLE PICTURE
A month-by-month guide
February
A good option, with local differences to consider.
March
A good option, with local differences to consider.
April
A good option, with local differences to consider.
May
Conditions depend more on region, weather or access.
June
Conditions depend more on region, weather or access.
July
Conditions depend more on region, weather or access.
August
Conditions depend more on region, weather or access.
September
Conditions depend more on region, weather or access.
October
Conditions depend more on region, weather or access.
November
Conditions depend more on region, weather or access.
December
A good option, with local differences to consider.
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