When is the best time to dive in Thailand?

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

What is the water temperature in Thailand for diving?

Water temperatures in Thailand range from 28.4°C to 29.9°C depending on the time of year.

January

Excellent

28.4°C

February

Excellent

28.6°C

March

Excellent

29°C

Month	Temp (°C)	Visibility (m)	Wave Height	Current	Rating
JanuaryPeak	28.4°C	-	-	Gentle	Excellent
FebruaryPeak	28.6°C	-	-	Gentle	Excellent
MarchPeak	29°C	-	-	Gentle	Excellent
April	29.7°C	-	-	Gentle	Excellent
May	29.9°C	-	-	Gentle	Excellent
June	29.4°C	-	-	Mild	Great
July	29.2°C	-	-	Mild	Great
August	29°C	-	-	Mild	Excellent
September	28.8°C	-	-	Mild	Excellent
October	28.8°C	-	-	Gentle	Excellent
November	28.9°C	-	-	Gentle	Excellent
December	28.5°C	-	-	Mild	Excellent

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