Best Time to Visit Phuket
The best time to visit Phuket is December to March, when the average temperature is 27–28°C and rainfall is low for Phuket, at 27–137 mm a month.
Phuket weather by month
The wettest month in Phuket is September with 352 mm of rain, and the warmest is April at an average 29°C. The coolest is January at 27°C.
| Month | Average temperature | Rainfall | Verdict |
|---|---|---|---|
| January | 27°C / 80°F | 80 mm | Best |
| February | 28°C / 82°F | 27 mm | Best |
| March | 28°C / 83°F | 112 mm | Best |
| April | 29°C / 84°F | 145 mm | Hot |
| May | 29°C / 83°F | 265 mm | Wet |
| June | 28°C / 83°F | 281 mm | Wet |
| July | 28°C / 82°F | 264 mm | Wet |
| August | 28°C / 82°F | 310 mm | Wet |
| September | 27°C / 81°F | 352 mm | Wet |
| October | 27°C / 81°F | 336 mm | Wet |
| November | 27°C / 81°F | 219 mm | Wet |
| December | 27°C / 81°F | 137 mm | Best |
How we pick the best months
- Best: an average temperature of 15–28°C and low rainfall for Phuket: under 150 mm, and no more than 302 mm, a quarter above Phuket's median month (never set below 60 mm).
- If no month qualifies, we show the three driest months that average 10–30°C instead.
- Wet: 150 mm of rain or more. Rainy: more than 302 mm. Hot: 29°C or more on average. Cool: under 15°C. Cold: under 5°C.
Averages cover day and night, so afternoons are warmer than the figure shown. Weather is only one reason to pick a month: school holidays, festivals and prices matter too.
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Where these numbers come from
Monthly averages for January 2001 – December 2020 from the NASA POWER project, for the area around Phuket International (HKT) at 8.11, 98.32. The model covers a grid about 50 km across, so a coastal or hilly spot can run a degree or two different. Retrieved 12 September 2026.
The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center (LaRC) Prediction of Worldwide Energy Resource (POWER) Project funded through the NASA Earth Science/Applied Science Program.