Phuket weather by month & the best time to visit
Thailand · beach resort · tropical monsoon climate
The best time to visit Phuket is February — its sunniest month (Sunshine Score 87/100), with January close behind. Phuket averages about 2,260 hours of sunshine a year. Daytime highs around 29°C / 84°F and roughly 27 mm of rain in February.
When is the best time to visit Phuket?
For sunshine, the best time to visit Phuket is February, then January. The dullest month is April (65/100, 145 mm of rain). The full month-by-month picture is in the table below.
How sunny is Phuket?
Phuket gets a moderate 2,260 hours of sunshine a year. February (87/100) is noticeably better than April (65). It ranks #15 of 24 destinations in Thailand for annual sunshine, below the national median of 2,329 hours. The year's 2,528 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 77 | 28° / 82°F | 26° / 79°F | 80 mm | 9 | 29° / 84°F |
| February | 87 | 29° / 84°F | 26° / 79°F | 27 mm | 11 | 30° / 86°F |
| March | 71 | 30° / 86°F | 27° / 81°F | 112 mm | 11 | 31° / 88°F |
| April | 65 | 30° / 86°F | 28° / 82°F | 145 mm | 11 | 31° / 88°F |
| May | 65 | 29° / 84°F | 28° / 82°F | 265 mm | 9 | 32° / 90°F |
| June | 65 | 29° / 84°F | 28° / 82°F | 281 mm | 9 | 31° / 88°F |
| July | 65 | 28° / 82°F | 27° / 81°F | 264 mm | 9 | 30° / 86°F |
| August | 65 | 28° / 82°F | 27° / 81°F | 310 mm | 9 | 31° / 88°F |
| September | 65 | 28° / 82°F | 27° / 81°F | 352 mm | 9 | 29° / 84°F |
| October | 65 | 28° / 82°F | 27° / 81°F | 336 mm | 9 | 30° / 86°F |
| November | 65 | 28° / 82°F | 27° / 81°F | 219 mm | 8 | 30° / 86°F |
| December | 67 | 28° / 82°F | 26° / 79°F | 137 mm | 8 | 30° / 86°F |
Sea temperature in Phuket by month
The sea off Phuket is warmest in May at around 32°C / 90°F, and coolest in January at 29°C / 84°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Head-to-head
How Phuket compares month by month: Phuket vs Denpasar · Phuket vs Banda Aceh · Phuket vs Surat Thani · Phuket vs Trang · all comparisons
Phuket: questions and answers
What kind of destination is Phuket?
Phuket is a beach resort in Thailand with a tropical monsoon climate — the sea reaches 32°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Phuket get a year?
Phuket gets about 2,260 hours of sunshine a year, at its best around February.
When is the best time to visit Phuket?
The sunniest time to visit Phuket is February, when the Sunshine Score peaks at 87/100 (with January close behind). Expect daytime highs around 29°C / 84°F.
What is the least sunny month in Phuket?
April is the least sunny month in Phuket, scoring 65/100 with about 145 mm of rain.
What is the sea temperature in Phuket?
The sea in Phuket ranges from about 29°C (January) to 32°C (May). Month-by-month sea temperatures are on this page.
How strong is the sun in Phuket?
The typical midday UV index in Phuket peaks around 11 (extreme) in February, easing to about 8 (very high) in November. Month-by-month midday UV values are in the UV column of the table on this page.
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