Phuket weather in December
Phuket averages 29°C by day and 24°C at night in December, with the sea at 29°C and 17 days with at least 1 mm of rain.
Day
29°C
Night
24°C
Sea
29°C
Rainy days
17
Flight from London
12h
What December feels like
December is hot but wet in Phuket: rainy season, so pack for showers.
The sea is warm at 29°C: comfortable for long swims.
It is rainy season, with rain on about 17 days.
Of the 48 sun destinations we track, Phuket is the #10 warmest in December.
Want it warmer in December?
These are hotter than Phuket this month for at most an hour and a half more flying:
Phuket weather by month
December is highlighted. Compare with November and January, or see the full year in Phuket.
Phuket in December: quick answers
Is Phuket hot in December?
December is hot but wet in Phuket: rainy season, so pack for showers. Average highs are 29°C and lows 24°C.
Can you swim in Phuket in December?
The sea is warm at 29°C: comfortable for long swims.
Does it rain in Phuket in December?
It is rainy season, with rain on about 17 days.
What is the warmest month in Phuket?
March, at an average high of 32°C. The coolest is September at 29°C.
How long is the flight to Phuket from the UK?
About 12h direct from London, estimated from the 9,929 km distance. Check your airline for exact times.
Still choosing? See where is hot in December for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in December from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Phuket in December?
Save the restaurants, beaches and views you find on TikTok and Instagram for Phuket straight to a map, then let Dream Trip turn them into a day-by-day plan.
