18.12
thu
thu
Day
82°F
S 12 mph
Precip.
0%
0%
Night
79°F
SW 9 mph
Precip.
0%
0%
19.12
fri
fri
Day
82°F
S 11 mph
Precip.
0%
0%
Night
79°F
SW 6 mph
Precip.
0%
0%
20.12
sat
sat
Day
84°F
S 11 mph
Precip.
0%
0%
Night
79°F
SW 7 mph
Precip.
0%
0%
21.12
sun
sun
Day
84°F
S 11 mph
Precip.
0%
0%
Night
79°F
SW 8 mph
Precip.
0%
0%
22.12
mon
mon
Day
82°F
NE 11 mph
Precip.
0%
0%
Night
79°F
S 7 mph
Precip.
0%
0%
23.12
tue
tue
Day
84°F
NE 9 mph
Precip.
0%
0%
Night
79°F
NE 5 mph
Precip.
0%
0%
24.12
wed
wed
Day
84°F
NE 9 mph
Precip.
0%
0%
Night
79°F
SW 7 mph
Precip.
0%
0%
25.12
thu
thu
Day
84°F
S 10 mph
Precip.
0%
0%
Night
77°F
SW 8 mph
Precip.
0%
0%
26.12
fri
fri
Day
82°F
SW 11 mph
Precip.
0%
0%
Night
77°F
W 11 mph
Precip.
0%
0%
27.12
sat
sat
Day
82°F
SW 12 mph
Precip.
0%
0%
Night
79°F
SW 9 mph
Precip.
0%
0%
28.12
sun
sun
Day
82°F
S 11 mph
Precip.
0%
0%
Night
77°F
SW 8 mph
Precip.
0%
0%
29.12
mon
mon
Day
82°F
SW 15 mph
Precip.
0%
0%
Night
77°F
SW 11 mph
Precip.
0%
0%
30.12
tue
tue
Day
81°F
SW 14 mph
Precip.
0%
0%
Night
75°F
SW 7 mph
Precip.
0%
0%
31.12
wed
wed
Day
81°F
SW 12 mph
Precip.
0%
0%
Night
77°F
NW 6 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 81.0°F. The highest and lowest sea temperatures during the month were 81.3°F and 80.2°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 79.8°F. The highest and lowest sea temperatures during the month were 81.0°F and 78.3°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: 04:44
December 18, thursday
0600
77°F
SW
16 mph
16 mph
0900
79°F
SW
14 mph
14 mph
1200
82°F
S
12 mph
12 mph
1500
84°F
S
9 mph
9 mph
1800
82°F
SW
7 mph
7 mph
2100
79°F
SW
8 mph
8 mph
December 19, friday
0000
79°F
SW
9 mph
9 mph
0300
77°F
SW
7 mph
7 mph
