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Phuket climate by month
What the weather is like
Phuket has a tropical monsoon climate (Köppen Am): .
The warmest month is April, when afternoons average 29° and nights 27°. October is the coolest month, with highs of 28° and lows of 26°. The difference between the warmest and the coolest month is about 1°, a small seasonal swing typical of places tempered by the sea.
About 2,337 mm of precipitation falls in an average year. October is the wettest month (333 mm, 30 wet days) and February the driest (26 mm, 7 wet days). Cloud cover ranges from 31% in February to 66% in October.
The sea reaches about 30° in May. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Bangkok, the capital, Phuket is 6.1° cooler on a April afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 29° · April
- Coldest nights
- 26° · January
- Wettest month
- October
- Driest month
- February
- Clearest skies
- February · 31% cloud
- Warmest sea
- 30° · May
- Longest day
- 12 h 35 min
- Shortest day
- 11 h 40 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 28° | 28° | 29° | 29° | 29° | 29° | 28° | 28° | 28° | 28° | 28° | 28° |
| Average low | 26° | 26° | 27° | 27° | 27° | 27° | 26° | 26° | 26° | 26° | 26° | 26° |
| Precipitation | 33 mm | 26 mm | 83 mm | 151 mm | 272 mm | 231 mm | 263 mm | 300 mm | 372 mm | 333 mm | 199 mm | 74 mm |
| Wet days (≥1 mm) | 8.7 | 7 | 10.7 | 20.7 | 29 | 26.5 | 25.7 | 27.5 | 27.2 | 30.2 | 28.3 | 19.2 |
| Cloud cover | 34% | 31% | 38% | 47% | 63% | 62% | 62% | 63% | 65% | 66% | 58% | 43% |
| Sea temperature | 28° | 29° | 29° | 30° | 30° | 30° | 30° | 30° | 29° | 29° | 29° | 29° |
| Daylight | 11h 43 | 11h 52 | 12h 04 | 12h 18 | 12h 29 | 12h 35 | 12h 32 | 12h 23 | 12h 10 | 11h 57 | 11h 46 | 11h 40 |
| Month score | 65 | 69 | 56 | 44 | 38 | 39 | 40 | 40 | 41 | 42 | 44 | 49 |