Koh Lanta Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Koh Lanta, Thailand in December.

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Ko Lanta

Thinking about venturing to Koh Lanta, Thailand this December and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Koh Lanta in December

Koh Lanta, Thailand is a region in Thailand. December in Koh Lanta generally has warm temperatures, with high precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 25°C (77°F) in Ko Lanta. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

For specific regional insights in Koh Lanta, Thailand, refer to the map provided below.

Precipitation

December is a rainy month with an average rainfall of around 105 mm (4.1 in) in Ko Lanta.

Average sunshine

Most places get a reasonable amount of sunshine. Take Ko Lanta as an example - it receives around 183 hours of sunlight, offering a nice mix of sunny and partly cloudy days. Want to compare this with brighter destinations? Try our weather planner to explore your options.

Explore Koh Lanta by month

Pick a month to see the average temperature, rainfall and sunshine in Koh Lanta — and find the best time to visit. (based on Ko Lanta)

January31°C (88°F) February31°C (88°F) March31°C (88°F) April31°C (88°F) May31°C (88°F) This monthJune31°C (88°F) July30°C (86°F) August30°C (86°F) September30°C (86°F) October29°C (84°F) November30°C (86°F) December30°C (86°F)
Best Time to Visit Koh Lanta →

Best Places to Visit in Koh Lanta in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Koh Lanta.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Koh Lanta

What is the weather like in December for the most popular destinonation in Koh Lanta, Thailand?

Ko Lanta

In December Ko Lanta generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 25°C (77°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« November
December
January »
November
December
January
Max temperature
30°C (86°F)
30°C (86°F)
31°C (88°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
107 hours
183 hours
197 hours
Monthly rainfall
210 mm (8.3 in)
105 mm (4.1 in)
46 mm (1.8 in)
Monthly rainy days
17 days
8 days
4 days
Weather conditions
poor
tolerable
pleasant
Climate in Ko Lanta →

Is your destination not in the list? Have a look at all destinations in Koh Lanta, in Thailand.

In our records: Thailand December extremes

Notable December records observed across cities in Thailand in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest December night in Thailand dropped to 2°C (36°F) in Chiang Rai on December 25, 1999.

Koh Lanta weather in December: frequently asked questions

What is the weather like in Koh Lanta, Thailand in December?

In December, Koh Lanta, Thailand generally has unpleasant weather conditions. Ko Lanta sees daytime temperatures near 30°C (86°F), with nights cooling to roughly 25°C (77°F).

What is the average temperature in Koh Lanta, Thailand in December?

Ko Lanta averages a daytime maximum of 30°C (86°F) in December, with overnight lows close to 25°C (77°F).

Does Koh Lanta, Thailand get a lot of rain in December?

Ko Lanta typically receives notable rainfall in December, about 105 mm (4.1 in) on average across Koh Lanta, Thailand.

Is December a Good Time to Visit Koh Lanta, Thailand?

Given the typically tolerable weather conditions in Ko Lanta, December might be a good time to visit Koh Lanta, Thailand. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in February offering mostly pleasant weather in Ko Lanta. In contrast, May, June, July, August, September, October and November tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Koh Lanta.

Weather and climate has detailed information for every country in the world. Are you going to Thailand? Get detailed historical weather averages for many cities in Thailand.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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