Thailand weather in May
In May, popular resorts in Thailand (Phuket, Pattaya, Krabi, Ko Samui, Hua Hin) average 30°C by day and 28°C at night, and the sea is about 30°C. On average 170 mm of rain falls during the month.
That is the same as in April, and in June days average 30°C.
It is hot: ideal beach and swimming weather. The sea is warm and pleasant for swimming.
Warmest resorts in Thailand in May
Thailand weather in other months
See also
FAQ
Is it warm in Thailand in May?
In May, popular resorts in Thailand (Phuket, Pattaya, Krabi, Ko Samui, Hua Hin) average 30°C by day and 28°C at night, and the sea is about 30°C. On average 170 mm of rain falls during the month. It is hot: ideal beach and swimming weather.
What is the sea temperature in Thailand in May?
About 30°C on average. The warmest water is in Pattaya (30°C).
Where is it warmest in Thailand in May?
The warmest place is Hua Hin (31°C by day), followed by Pattaya (30°C) and Ko Samui (30°C).
Does it rain in Thailand in May?
On average 170 mm of rain falls in the month. It is a fairly wet month, so pack a jacket.
Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day.