Koh Lanta in december: average Weather, Temperature and Climate
Weather in Koh Lanta in december 2026
The weather in Koh Lanta in the month of december comes from statistical datas on the past years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
good weather UV index: 7
Weather at 6am
81°F
Partly Cloudy
35% of time
35%
15%
9%
Weather at 12pm
85°F
Clear/Sunny
36% of time
34%
17%
8%
Weather at 6pm
83°F
Clear/Sunny
26% of time
25%
25%
20%
Weather at 3am
81°F
39%
31%
16%
9%
Evolution of daily average temperature and precipitation in Koh Lanta in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Koh Lanta in december.
The climate of Koh Lanta in december is good
the weather in Koh Lanta in december is wet (with 9.1in of rainfall over 12 days). It should be noted an improvement from the previous month since in november it receives an average of 14.3in of precipitation over 17 days.
The climate quite pleasant in that locality this month. The thermometer averaged maximum of 86°F. The minimum is 81°F. Thus, the mean temperature average in december in Koh Lanta is 83°F. Note that these seasonal averages are in contrast with those observed in Koh Lanta in the month of december with a maximum record of 90°F in 2021 and a minimum record of 76°F in 2013. You can expect to have about 12 days with temperatures above 86°F, or 39 of time.
In december in Koh Lanta, the days on average last 11:41. Sunrise is at 06:28 and sunset is at 18:09.
With proper weather, the month of december is okay (but not the best) to go in that area in Thailand.
Seasonal average climate and temperature of Koh Lanta in december
Check below seasonal norms These datas are set from the weather statements earlier years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 83°F | ||||
| Highest temperature | 86°F | ||||
| Lowest temperature | 81°F | ||||
| Highest record temperature | 90°F (2021) | ||||
| Lowest record temperature | 76°F (2013) | ||||
| Number of days at +86°F | 12 day(s) (39%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 82°F | ||||
| Highest sea temperature | 87°F | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 81°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 9.1in | ||||
| Number of days with rainfall | 12 day(s) (39%) | ||||
| Record daily rainfall | 3.8in (2020) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.29km | ||||
| Cloud cover | 36% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:28 | ||||
| Time of sunset | 18:09 | ||||
| Length of day | 11:41 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last december?
Here is the day by day recorded weather in Koh Lanta in december 2025:
77°F to 81°F
79°F to 81°F
79°F to 81°F
77°F to 83°F
77°F to 83°F
79°F to 83°F
79°F to 85°F
77°F to 86°F
77°F to 86°F
77°F to 85°F
77°F to 83°F
77°F to 83°F
79°F to 85°F
79°F to 83°F
79°F to 83°F
79°F to 85°F
77°F to 85°F
79°F to 83°F
79°F to 85°F
77°F to 85°F
77°F to 86°F
77°F to 86°F
77°F to 83°F
77°F to 83°F
77°F to 85°F
79°F to 81°F
79°F to 83°F
79°F to 85°F
79°F to 83°F
79°F to 83°F
79°F to 83°F
Map: other cities in Thailand in december
Cities near Koh Lanta:
| Koh Phi Phi in december | tolerable weather |
| Koh Muk (Ko Mook) in december | good weather |
| Railay beach in december | good weather |
| Ton Sai beach (Ao Nang) in december | good weather |
| Krabi - Ao Nang in december | good weather |
| Koh Libong in december | good weather |
| Trang in december | good weather |
| Koh Yao Yai in december | tolerable weather |
| Koh Yao Noi in december | tolerable weather |
| Koh Sukon in december | good weather |
| Phuket in december | tolerable weather |
| Chawang in december | tolerable weather |
Click over cities on the map for information about the weather in december.
Koh Lanta
perfect weather
good
tolerable
bad
very bad
Weather data for Koh Lanta in december:
Weather data for Koh Lanta for december are derived from an average of the weather forecast since 2009 in Koh Lanta. There is a margin of error and these forecasts are to be considered as general information only. The weather in Koh Lanta can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Koh Lanta.