World Resorts Thailand Koh Lanta Weather

Koh Lanta 14 Days Forecast

21.12
sun
Day
84°F
S 5 mph
Precip.
0%
Night
79°F
SW 12 mph
Precip.
0%
22.12
mon
Day
84°F
S 4 mph
Precip.
0%
Night
79°F
SW 8 mph
Precip.
0%
23.12
tue
Day
82°F
NW 2 mph
Precip.
0%
Night
79°F
SW 11 mph
Precip.
0%
24.12
wed
Day
82°F
E 4 mph
Precip.
0%
Night
81°F
SW 6 mph
Precip.
0%
25.12
thu
Day
82°F
SE 5 mph
Precip.
0%
Night
81°F
W 12 mph
Precip.
0%
26.12
fri
Day
82°F
W 8 mph
Precip.
100%
Night
81°F
W 15 mph
Precip.
0%
27.12
sat
Day
84°F
W 9 mph
Precip.
100%
Night
79°F
W 14 mph
Precip.
51%
28.12
sun
Day
82°F
W 9 mph
Precip.
0%
Night
79°F
SW 17 mph
Precip.
0%
29.12
mon
Day
82°F
W 9 mph
Precip.
57%
Night
79°F
W 14 mph
Precip.
0%
30.12
tue
Day
82°F
NW 7 mph
Precip.
45%
Night
79°F
W 14 mph
Precip.
0%
31.12
wed
Day
81°F
NW 9 mph
Precip.
0%
Night
81°F
SW 8 mph
Precip.
0%
01.01
thu
Day
82°F
W 8 mph
Precip.
0%
Night
81°F
NW 7 mph
Precip.
100%
02.01
fri
Day
77°F
SW 5 mph
Precip.
100%
Night
79°F
SW 7 mph
Precip.
0%
03.01
sat
Day
81°F
NE 6 mph
Precip.
0%
Night
82°F
SE 7 mph
Precip.
100%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 83.4°F. The highest and lowest sea temperatures during the month were 84.2°F and 82.8°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

Sunniest months:
March 21 days
February 18 days
April 16 days
Warmest months:
April 88.2 °F
May 88.1 °F
March 88.0 °F
Warmest sea temp:
April 87.3 °F
May 87.3 °F
June 86.3 °F
Coldest months:
November 85.6 °F
September 85.7 °F
October 85.8 °F
Rainiest months:
September 14 days
October 14 days
May 13 days
Windiest months:
September 11.7 mph
August 11.1 mph
July 11.0 mph

Koh Lanta on a weather map

Koh Lanta
+84°F
SW 9 mph
Feels like: +91°F
Precip.: 82%
Places in Thailand:
Name
°F
+88°F
+81°F
+82°F
+82°F
+84°F
+82°F
+84°F
+82°F
+81°F
+84°F
+82°F
+81°F
+81°F
+77°F
24 Hours Forecast
Koh Lanta
Local time: 18:29
December 21, sunday
2100
81°F
SW
15 mph
December 22, monday
0000
79°F
SW
12 mph
0300
77°F
SW
9 mph
0600
77°F
SW
11 mph
0900
79°F
SW
10 mph
1200
84°F
S
4 mph
1500
84°F
E
6 mph
1800
82°F
SE
2 mph
Units of measurement: °C / °F