Measurements:
°C
°F
CURRENT WEATHER
20:10
Koh Lanta
84°F
SE 16 mph
Feels like: 90°F
Precip: 100%
World Resorts Thailand Koh Lanta Weather

7 Day Weather Forecast

05.30
sat
DAY
88°F
E 20 mph
precip
100%
NIGHT
84°F
SE 17 mph
precip
69%
05.31
sun
DAY
88°F
E 17 mph
precip
100%
NIGHT
88°F
E 17 mph
precip
100%
06.01
mon
DAY
88°F
E 20 mph
precip
100%
NIGHT
86°F
E 19 mph
precip
100%
06.02
tue
DAY
88°F
E 21 mph
precip
100%
NIGHT
88°F
E 21 mph
precip
68%
06.03
wed
DAY
88°F
E 20 mph
precip
100%
NIGHT
88°F
E 22 mph
precip
100%
06.04
thu
DAY
88°F
E 21 mph
precip
100%
NIGHT
88°F
E 17 mph
precip
100%
06.05
fri
DAY
88°F
NE 15 mph
precip
100%
NIGHT
88°F
NE 9 mph
precip
100%

Koh Lanta Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Koh Lanta was 31.1°F. The maximum and minimum values were 30.2°F and 31.7°F respectively.

Koh Lanta on the Weather Map

Best Time to Visit Koh Lanta
The most sunny months:
March 21 days
February 18 days
April 16 days
The most warm months:
April 92.3 °F
May 92.1 °F
March 92.0 °F
Warmest sea temperature:
April 91.5 °F
May 91.5 °F
June 90.3 °F
The most cold months:
November 89.5 °F
September 89.7 °F
December 89.7 °F
The most rainy months:
September 14 days
October 14 days
May 13 days
The most windy months:
September 11 mph
August 11 mph
July 11 mph
more details