World Resorts Thailand Koh Lanta Weather

Koh Lanta weather in December

Weather in Koh Lanta: December

Average day temperature: 86.0°F
Average night temperature: 79.5°F
Sea water temperature: 83.8°F
Number of sunny days: 10 days
Day length: 11.7 - 11.7 hours
Number of rainy days: 8 days
Precipitation totals: 5.8 in.

Air temperature in December, °F

Show year:
2024
2023
2022

The highest day temperature during December of 2024 was 86°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during December were 82.7°F and 78.6°F.

Sea water temperature in Koh Lanta in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2024 was 83.9°F. The highest and lowest sea temperatures during the month were 84.6°F and 83.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Koh Lanta in December is 6.7 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 11.5 mph It makes December one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 6.3.

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
+77°F
SW 9 mph
Feels like: +81°F
Precip.: 0%
Places in Thailand:
Name
°F
+79°F
+73°F
+77°F
+77°F
+81°F
+77°F
+79°F
+77°F
+77°F
+79°F
+77°F
+81°F
+73°F
+72°F
24 Hours Forecast
Koh Lanta
Local time: 04:11
December 22, monday
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
2100
81°F
SW
12 mph
December 23, tuesday
0000
79°F
SW
8 mph
0300
77°F
SW
8 mph
Units of measurement: °C / °F