Phuket weather in May
“Mild and bright — an underrated time to visit.”
Roughly 26 rainy days across the month, on average.
May is Phuket's hottest and wettest month, with daytime temperatures around 30°C (86°F) and nights cooling to 26°C (79°F). Expect significant rainfall averaging 214mm spread across 26 rainy days, though you'll still enjoy around 9.6 hours of sunshine daily. The combination of heat and humidity creates a tropical steam-bath atmosphere—mornings are typically clearer, while afternoon downpours are frequent but often brief.
This is shoulder season in Phuket, marking the tail end of low tourism and the approach of monsoon. Local festivals wind down, beaches are quieter, and the island takes on a lush, green appearance. Tourist crowds are minimal, making it ideal for travelers seeking solitude and better hotel rates. The atmosphere feels authentically Thai rather than touristy.
If you're considering Phuket in May 2026, pack for rain and heat. Indoor activities like temple visits, spa treatments, and cooking classes become more appealing. Water sports are less reliable due to rough seas. Budget travelers will find excellent value; premium resorts offer significant discounts. This month suits adventurous visitors who don't mind wet weather and prefer fewer crowds.
What to pack for Phuket in May
- •Breathable cotton or linen, and a broad-brimmed hat
- •A compact travel umbrella — one you'll actually carry
- •Reef-safe sunscreen and polarised sunglasses
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Phuket in May
- →Quick-dry travel shirtAmazon · shop this
- →UPF sun hatAmazon · shop this
- →Packable rain jacketAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Waterproof dry bagAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
We may earn a small commission on any purchase — it doesn't change the price you pay.
Where to stay in Phuket
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Phuket across trusted platforms.
Compare hotels on Booking.com→Things worth doing
Temple exploration during cooler mornings, indoor cooking classes, Thai massage and spa treatments, visit limestone caves and waterfalls, snorkeling on less-crowded islands.
May vs. the rest of the year
How this month compares in Phuket. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Phuket
While May has its own character in Phuket, the data-backed best months to visit Phuket are January. These months combine the most favourable temperatures, rainfall, and sunshine across a ten-year climate record.
See the full best-time-to-visit guide for PhuketOther places with a similar climate right now
Phuket in May — FAQ
Q01Is May a good time to visit Phuket?
Is May a good time to visit Phuket?
It is a challenging month — you may want to consider another time of year. In May, Phuket averages a high of 30°C (87°F) and a low of 26°C (79°F), with 214mm of rainfall across roughly 26 rainy days.
Q02What is the average temperature in Phuket in May?
What is the average temperature in Phuket in May?
The average high temperature in Phuket during May is 30°C (87°F), with an average low of 26°C (79°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Phuket have in May?
How many rainy days does Phuket have in May?
Phuket averages approximately 26 rainy days in May, with a total monthly rainfall of about 214mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Phuket in May?
What should I pack for Phuket in May?
For Phuket in May, pack light, breathable clothing (cotton or linen), a compact umbrella or waterproof jacket, sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Phuket in May?
How crowded is Phuket in May?
Tourist crowds in Phuket during May are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.