December weather forecast and climate
Phuket, Thailand

A close view of beautiful long tail boats on the white sandy shores of a beach in Phuket, Thailand
A close view of beautiful long tail boats on the white sandy shores of a beach in Phuket, Thailand
December comes to Phuket with a significant reduction in rainfall as the dry season approaches. The rainy days drop to nine, as does the average monthly precipitation to 58.4mm (2.3"). The days get drier, and the sunshine hours increase to eight per day, making most days warmer and mildly pleasant.
Temperatures remain high in the range of 23°C (73.4°F) and 31°C (87.8°F) but feel much cooler under the circumstances. The dry season comes with evening shows like the famous Simon Cabaret Show and The Phuket Fantasea Show that bring a whole new feeling to the evenings in Phuket.
Take advantage of the cool evening weather to take part in the amazing nightlife and party all night for memorable visits. In December, especially, there are exciting night markets and sidewalk cafes that are affordable and offer local delicacies most visitors enjoy while relaxing under the cool evening weather.

What is the temperature in December in Phuket?

In Phuket, in December, the average high-temperature is 31.7°C (89.1°F), and the average low-temperature is 24.4°C (75.9°F).

How much does it rain in Phuket in December?

In Phuket, during December, the rain falls for 8 days and regularly aggregates up to 72.4mm (2.9") of precipitation.

What months are the sea coldest in Phuket?

January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Phuket. For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How warm is the water in December in Phuket?

The average seawater temperature, in December, in Phuket, Thailand, is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.
Average temperature in December - Phuket, Thailand
  • Average high temperature in December: 31.7°C

The warmest month (with the highest average high temperature) is March (34°C).
Months with the lowest average high temperature are September and October (31.5°C).

  • Average low temperature in December: 24.4°C

The month with the highest average low temperature is April (25.8°C).
The coldest month (with the lowest average low temperature) is December (24.4°C).

Average humidity in December - Phuket, Thailand
  • Average humidity in December: 75%

Months with the highest relative humidity are September and October (82%).
The month with the lowest relative humidity is February (69%).

Average rainfall in December - Phuket, Thailand
  • Average rainfall in December: 72.4mm

The wettest month (with the highest rainfall) is September (361.2mm).
The driest month (with the lowest rainfall) is February (23.9mm).

Average rainfall days in December - Phuket, Thailand
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is September (23 days).
The month with the lowest number of rainy days is February (3 days).

Average sea temperature in December - Phuket, Thailand
  • Average sea temperature in December: 28°C

Best months for swimming (with the highest average sea temperature) are April, May and June (30°C).
Coldest months (with the lowest average sea temperature) are January, February and December (28°C).

Average daylight in December / Average sunshine in December - Phuket, Thailand
  • Average daylight in December: 11.7h

The month with the longest days is June (Average daylight: 12.6h).
Months with shortest days are January and December (Average daylight: 11.7h).

  • Average sunshine in December: 7.9h

The month with most sunshine is February (Average sunshine: 9.7h).
The month with least sunshine is June (Average sunshine: 4.7h).

Average UV index in December - Phuket, Thailand
  • Average UV index in December: 10

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).

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