Thailand weather in December
In December, popular resorts in Thailand (Phuket, Pattaya, Krabi, Ko Samui, Hua Hin) average 28°C by day and 24°C at night, and the sea is about 27°C. On average 136 mm of rain falls during the month.
That is the same as in November, and in January days average 28°C.
It is hot: ideal beach and swimming weather. The sea is warm and pleasant for swimming.
Warmest resorts in Thailand in December
Thailand weather in other months
See also
FAQ
Is it warm in Thailand in December?
In December, popular resorts in Thailand (Phuket, Pattaya, Krabi, Ko Samui, Hua Hin) average 28°C by day and 24°C at night, and the sea is about 27°C. On average 136 mm of rain falls during the month. It is hot: ideal beach and swimming weather.
What is the sea temperature in Thailand in December?
About 27°C on average. The warmest water is in Phuket (28°C).
Where is it warmest in Thailand in December?
The warmest place is Pattaya (29°C by day), followed by Phuket (28°C) and Krabi (28°C).
Does it rain in Thailand in December?
On average 136 mm of rain falls in the month. It is a fairly wet month, so pack a jacket.
Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day.