Weather in Phuket in May 2025
- May is usually the hottest month of the year in Phuket;
Average weather
Average temperature in Phuket in May
Going from a maximum of +88°F during the day to a minimum of +79°F during the night, the temperature in May averages around +84°F.
The average maximum temperature goes down 20% by the end of the month, compared with the beginning of the month, from +86°F to +84°F.
Is Phuket warm or cold in May?
Phuket is typically warm in May.
Maximum temperatures go up compared to the previous month from +86°F to +86°F. The minimum temperature also goes up from +81°F to +81°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
May is the hottest month in Phuket, here is the comparison with other months:
Water temperature in Phuket in May
Water in Phuket in May is Very warm. It varies from +85°F to +89°F, with an average of +87°F. Note that the air temperature is lower than the water temperature, averaging around +86°F.
The water temperature in May is one of the warmest of the entire year:
Can you swim in Phuket in May?
Climate in Phuket in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +86°F | +86°F | +84°F | ||||
| Min. temperature | ||||||
| +75°F | +73°F | +73°F | ||||
| Max. temperature | ||||||
| +100°F | +99°F | +95°F | ||||
| Rainfall | ||||||
| 127 mm | 218 mm | 170 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +87°F | +87°F | +86°F | ||||
| Humidity | ||||||
| 79% | 81% | 81% | ||||
| Air pressure | ||||||
| 1008 HPa | 1008 HPa | 1008 HPa | ||||
| Sunny days | ||||||
| 1 | 0 | 0 | ||||
| Cloudy days | ||||||
| 4 | 2 | 4 | ||||
| Rainy days | ||||||
| 16 | 21 | 23 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as ok as in April. The temperature levels stay the same in the area of +86°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 127 mm to 218 mm. Humidity rises from 79% to 81%. The average wind speed doesn’t change much during May, staying around 2 m/s. The days becoming less sunny, going from 1 sunny days in April to 0 in May.
June brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Phuket is gradually increasing during May, going from 3 m/s to 7 m/s over the course of the month.
Rain
How was the weather last May in Phuket?
Climate Change Over the Years
The climate in Phuket in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1994 (+82°F) and the highest in 2019 (+91°F). The driest year was 1981 with only 1340 mm of rainfall, and the wettest year was 2017 with 2500 mm.
FAQ
Is May a good time to visit Phuket?
Can you sunbathe in Phuket in May?
Can you swim in Phuket in May?
Is Phuket rainy in May?
Is it sunny in Phuket in May?
Other cities in Thailand
Monthly weather in Phuket
Source of the data
For this page, we’ve looked at the typical weather in Phuket, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.