16.05
sat
sat
Day
86°F
NE 12 mph
Precip.
0%
0%
Night
84°F
NE 16 mph
Precip.
100%
100%
17.05
sun
sun
Day
86°F
NE 16 mph
Precip.
0%
0%
Night
82°F
E 17 mph
Precip.
0%
0%
18.05
mon
mon
Day
86°F
NE 13 mph
Precip.
0%
0%
Night
82°F
NE 14 mph
Precip.
85%
85%
19.05
tue
tue
Day
86°F
NE 13 mph
Precip.
0%
0%
Night
82°F
NE 15 mph
Precip.
89%
89%
20.05
wed
wed
Day
82°F
NE 18 mph
Precip.
100%
100%
Night
81°F
NE 16 mph
Precip.
100%
100%
21.05
thu
thu
Day
84°F
NE 20 mph
Precip.
100%
100%
Night
81°F
NE 17 mph
Precip.
0%
0%
22.05
fri
fri
Day
81°F
N 14 mph
Precip.
100%
100%
Night
81°F
NE 13 mph
Precip.
100%
100%
23.05
sat
sat
Day
86°F
N 19 mph
Precip.
100%
100%
Night
82°F
NE 14 mph
Precip.
25%
25%
24.05
sun
sun
Day
84°F
NE 16 mph
Precip.
100%
100%
Night
82°F
NE 14 mph
Precip.
100%
100%
25.05
mon
mon
Day
84°F
NE 16 mph
Precip.
100%
100%
Night
82°F
NE 12 mph
Precip.
0%
0%
26.05
tue
tue
Day
86°F
NE 12 mph
Precip.
0%
0%
Night
82°F
NE 16 mph
Precip.
20%
20%
27.05
wed
wed
Day
84°F
NE 18 mph
Precip.
100%
100%
Night
82°F
NE 14 mph
Precip.
100%
100%
28.05
thu
thu
Day
84°F
NE 12 mph
Precip.
0%
0%
Night
82°F
NE 12 mph
Precip.
29%
29%
29.05
fri
fri
Day
86°F
NE 9 mph
Precip.
0%
0%
Night
84°F
NE 17 mph
Precip.
100%
100%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 87.8°F. The highest and lowest sea temperatures during the month were 88.3°F and 87.3°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: 07:03
May 16, saturday
0900
86°F
NE
11 mph
11 mph
1200
86°F
NE
12 mph
12 mph
1500
88°F
NE
11 mph
11 mph
1800
86°F
NE
11 mph
11 mph
2100
84°F
NE
15 mph
15 mph
May 17, sunday
0000
84°F
NE
16 mph
16 mph
0300
84°F
E
14 mph
14 mph
0600
84°F
NE
12 mph
12 mph
