When is the best time to dive in Costa Rica?

The best months to dive in Costa Rica are January, February, March when conditions are at their peak.

What is the water temperature in Costa Rica for diving?

Water temperatures in Costa Rica range from 27.6°C to 29.8°C depending on the time of year.

January

Excellent

28.9°C

February

Excellent

29.6°C

March

Excellent

29.8°C

Month	Temp (°C)	Visibility (m)	Wave Height	Current	Rating
JanuaryPeak	28.9°C	-	-	Gentle	Excellent
FebruaryPeak	29.6°C	-	-	Gentle	Excellent
MarchPeak	29.8°C	-	-	Gentle	Excellent
April	29.6°C	-	-	Gentle	Excellent
May	29.1°C	-	-	Gentle	Excellent
June	28.4°C	-	-	Gentle	Excellent
July	28.6°C	-	-	Gentle	Excellent
August	28.5°C	-	-	Gentle	Excellent
September	28.5°C	-	-	Gentle	Excellent
October	28.1°C	-	-	Gentle	Excellent
November	27.6°C	-	-	Gentle	Excellent
December	28.5°C	-	-	Gentle	Excellent

April, May, June offer good diving conditions with fewer crowds and often lower prices.