21.05
thu
thu
Day
86°F
NE 14 mph
Precip.
0%
0%
Night
82°F
NE 12 mph
Precip.
100%
100%
22.05
fri
fri
Day
84°F
NE 9 mph
Precip.
100%
100%
Night
84°F
NE 12 mph
Precip.
0%
0%
23.05
sat
sat
Day
84°F
NE 11 mph
Precip.
100%
100%
Night
82°F
NE 14 mph
Precip.
0%
0%
24.05
sun
sun
Day
86°F
NE 10 mph
Precip.
0%
0%
Night
82°F
NE 14 mph
Precip.
100%
100%
25.05
mon
mon
Day
88°F
NE 12 mph
Precip.
0%
0%
Night
82°F
NE 14 mph
Precip.
100%
100%
26.05
tue
tue
Day
86°F
N 11 mph
Precip.
100%
100%
Night
84°F
NE 14 mph
Precip.
100%
100%
27.05
wed
wed
Day
86°F
NE 8 mph
Precip.
0%
0%
Night
84°F
NE 11 mph
Precip.
0%
0%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 87.6°F. The highest and lowest sea temperatures during the month were 88.3°F and 86.5°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 87.3°F and 85.3°F.
Air temperature in Koh Lan, °F
Precipitation total in Koh Lan, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Koh Lan
Koh Lan on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Koh Lan
Local time: 18:17
May 21, thursday
2100
82°F
N
16 mph
16 mph
May 22, friday
0000
82°F
NE
12 mph
12 mph
0300
82°F
NE
14 mph
14 mph
0600
82°F
NE
10 mph
10 mph
0900
84°F
NE
10 mph
10 mph
1200
84°F
NE
9 mph
9 mph
1500
86°F
N
11 mph
11 mph
1800
84°F
N
15 mph
15 mph
