Khao Lak Weather in December
Thinking of visiting Khao Lak in December? Expect very high temperatures reaching 30°C (86°F) during the day, dropping to 25°C (77°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Khao Lak in December
This month experiences about 8 days of rain according to historical data, averaging 86 mm (3.4 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Khao Lak in December
Temperatures in Khao Lak in December top out at 30°C (86°F) and drop to 25°C (77°F) overnight. For most visitors, the main thing to prepare for is the heat during the day. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Khao Lak in December
The city usually sees around 0 hours of sunlight, indicating fewer sunny days.If your ideal day consists of dry skies and pleasant temperatures, January, February and December typically offer the best circumstances for Khao Lak.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Khao Lak's climate page.
Khao Lak Temperature in December
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Khao Lak typically stay consistent throughout December, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Khao Lak in December
Browse day-by-day weather records for Khao Lak spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Khao Lak historical weather extremes in December
Based on 35 years of weather observations in Khao Lak between 1990 and 2025, these are the recorded extremes.
- The hottest December day on record in Khao Lak reached 39°C (102°F) (December 28, 2016).
- Khao Lak experienced its chilliest December day on December 12, 1994, reaching only 22°C (72°F).
- The coldest night in December in Khao Lak was on December 24, 1996, with a minimum of 19°C (66°F).
Best Places in Thailand in December
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in December →
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What to Wear in Khao Lak in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Khao Lak in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Khao Lak's climate page.
See the full Khao Lak climate overview or explore weather in Thailand.