18.12
thu
thu
Day
82°F
W 8 mph
Precip.
66%
66%
Night
79°F
SW 15 mph
Precip.
0%
0%
19.12
fri
fri
Day
84°F
W 7 mph
Precip.
0%
0%
Night
79°F
SW 14 mph
Precip.
0%
0%
20.12
sat
sat
Day
84°F
SW 9 mph
Precip.
0%
0%
Night
79°F
SW 14 mph
Precip.
0%
0%
21.12
sun
sun
Day
84°F
SW 7 mph
Precip.
0%
0%
Night
79°F
SW 14 mph
Precip.
0%
0%
22.12
mon
mon
Day
84°F
SW 6 mph
Precip.
0%
0%
Night
79°F
SW 11 mph
Precip.
0%
0%
23.12
tue
tue
Day
82°F
W 6 mph
Precip.
0%
0%
Night
79°F
SW 14 mph
Precip.
0%
0%
24.12
wed
wed
Day
84°F
W 7 mph
Precip.
0%
0%
Night
79°F
SW 15 mph
Precip.
0%
0%
25.12
thu
thu
Day
84°F
SW 4 mph
Precip.
0%
0%
Night
79°F
SW 15 mph
Precip.
0%
0%
26.12
fri
fri
Day
84°F
W 6 mph
Precip.
0%
0%
Night
79°F
SW 17 mph
Precip.
0%
0%
27.12
sat
sat
Day
82°F
NW 7 mph
Precip.
0%
0%
Night
81°F
SW 14 mph
Precip.
0%
0%
28.12
sun
sun
Day
84°F
NW 6 mph
Precip.
0%
0%
Night
79°F
SW 13 mph
Precip.
0%
0%
29.12
mon
mon
Day
82°F
W 4 mph
Precip.
0%
0%
Night
79°F
SW 12 mph
Precip.
0%
0%
30.12
tue
tue
Day
81°F
SW 6 mph
Precip.
0%
0%
Night
79°F
SW 9 mph
Precip.
22%
22%
31.12
wed
wed
Day
81°F
W 6 mph
Precip.
0%
0%
Night
81°F
W 6 mph
Precip.
27%
27%
sea water
temperature
temperature
| Koh Lanta |
monthly
weather
weather
| Koh Lanta |
current
weather
weather
| Koh Lanta |
7 days
forecast
forecast
| Koh Lanta |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 84.2°F and 82.9°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 83.2°F. The highest and lowest sea temperatures during the month were 84.0°F and 82.0°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: 08:39
December 18, thursday
0900
81°F
SW
12 mph
12 mph
1200
82°F
W
8 mph
8 mph
1500
82°F
W
6 mph
6 mph
1800
81°F
W
13 mph
13 mph
2100
81°F
W
16 mph
16 mph
December 19, friday
0000
79°F
SW
15 mph
15 mph
0300
79°F
SW
14 mph
14 mph
0600
79°F
SW
14 mph
14 mph
