May falls during the wet season, which is generally hot, wet and humid.
You can expect sunny days interspersed with heavy downpours that fall mainly in the afternoon. Daytime temperatures average 28°C (82°F).
How hot is it in Phuket in May?
Maximum daytime temperatures in Phuket in May reach an average high of 32°C (89°F), with very high heat and humidity, and low of 26°C (79°F).
How sunny is it in Phuket in May?
There are normally six hours of bright sunshine each day in Phuket in May – that's around 50% of daylight hours.
Sunrise & sunset in May?
Sunrise is around 6:10am with sunset around 6:35pm.
How warm is the sea around Phuket in May?
The average sea temperature in Phuket in May is 30°C (86°F).
Does it rain in Phuket in May?
There are usually 17 days with some rain in Phuket in May; the average monthly rainfall is 222mm.
How windy is it in Phuket in May?
May sees an average hourly windspeed of 10 kilometres per hour (5 knots).
What to do in Phuket in May?
Weather conditions in May are good for sunbathing and surfing, but the seawater becomes cloudy and is not so good for snorkelling, scuba diving or kayaking.
Additionally, heavy rain showers can cause slippery conditions so jungle trekking should be approached with some caution.
Labour Day – 1st May; Coronation of King Vajiralongkorn – 4th May; Visakha Bucha Day – 15th May.
May is considered the shoulder season in Phuket, with more reasonable hotel prices and less people on the beaches.
|High Temp: 32°C (89°F)|
|Low Temp: 26°C (79°F)|
|Sunshine: 6 hours per day|
|Daylight: 12 hours per day|
|Windspeed: 10 km/h (5 knots)|
|Wet Days: 17 days with some rain|
|Rainfall: 222mm per month|
|Comfort Level: High heat & 85% humidity|
|UV Index: Extreme|
|Sea Temp: 30°C (86°F)|
The best time to visit Phuket is anytime during the dry season from December through February when the skies are clear and sunny, and temperatures average 28°C (82°F).
Phuket enjoys a tropical monsoon climate with a short dry season and hot temperatures year-round.
|› January||› February||› March||› April|
|› May||› June||› July||› August|
|› September||› October||› November||› December|
Note: Meteorological data is sourced from the United States National Oceanic and Atmospheric Administration (NOAA) and the World Meteorological Organization (WMO), with additional historical climate data sourced from the Thai Meteorological Department.
Latest update: Phuket Weather in May: 21 June, 2022