21.05
thu
thu
Day
84°F
E 14 mph
Precip.
100%
100%
Night
84°F
E 13 mph
Precip.
0%
0%
22.05
fri
fri
Day
86°F
E 16 mph
Precip.
0%
0%
Night
84°F
E 12 mph
Precip.
86%
86%
23.05
sat
sat
Day
84°F
E 12 mph
Precip.
100%
100%
Night
86°F
E 15 mph
Precip.
100%
100%
24.05
sun
sun
Day
82°F
E 19 mph
Precip.
100%
100%
Night
82°F
E 17 mph
Precip.
100%
100%
25.05
mon
mon
Day
82°F
NE 12 mph
Precip.
100%
100%
Night
82°F
E 10 mph
Precip.
0%
0%
26.05
tue
tue
Day
84°F
E 7 mph
Precip.
100%
100%
Night
84°F
E 15 mph
Precip.
23%
23%
27.05
wed
wed
Day
86°F
E 13 mph
Precip.
26%
26%
Night
84°F
E 11 mph
Precip.
100%
100%
sea water
temperature
temperature
| Koh Lanta |
monthly
weather
weather
| Koh Lanta |
current
weather
weather
| Koh Lanta |
14 days
forecast
forecast
| Koh Lanta |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 88.5°F. The highest and lowest sea temperatures during the month were 89.1°F and 87.8°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 86.0°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.1°F.
Air temperature in Koh Lanta, °F
Precipitation total in Koh Lanta, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Koh Lanta
Koh Lanta on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Koh Lanta
Local time: 06:37
May 21, thursday
0900
84°F
E
12 mph
12 mph
1200
84°F
E
14 mph
14 mph
1500
84°F
E
13 mph
13 mph
1800
84°F
E
12 mph
12 mph
2100
84°F
E
11 mph
11 mph
May 22, friday
0000
84°F
E
13 mph
13 mph
0300
86°F
E
15 mph
15 mph
0600
86°F
E
18 mph
18 mph
