Phuket Weather in May
Phuket in May sees very high daytime temperatures of 30°C (86°F) and nighttime lows of 27°C (81°F). As part of the rainy season, showers are frequent and often heavy. Budget around 263 mm (10 in) of rainfall for the month.
Rainfall in Phuket in May
As part of the rainy season, Phuket sees around 22 days of rain in May, with an average of 263 mm (10 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Phuket in May
Phuket in May gets highs of 30°C (86°F) during the day and drops to 27°C (81°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Phuket in May
The area experiences a moderate amount of sunshine, with approximately 151 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.
Wind Speed in Phuket in May
Average wind conditions reach 2 m/s (4 knots) in May. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.
Average water temperature in May
At 30°C (86°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.May in Phuket has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Phuket's climate page.
Phuket Temperature in May
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Water Temperature
30°C (86°F)
Chance of Rain
72%
Precipitation
263 mm (10 in)
Rainy days
22 days
Humidity
79%
Windspeed
2 m/s (4 knots)
Sunshine
151 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Phuket typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Phuket in May
Browse day-by-day weather records for Phuket spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Phuket historical weather extremes in May
The extremes listed below come from historical weather data collected in Phuket from 1976 through 2026.
- The warmest day in May was on May 11, 1998, with a maximum of 40°C (104°F).
- The coldest May day was on May 19, 1993, with a maximum of 26°C (79°F).
- The coldest night in May in Phuket was on May 1, 1994, with a minimum of 20°C (68°F).
Best Places in Thailand in May
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Phuket in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Expect water temperatures of around 30°C (86°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Phuket in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Phuket's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Phuket climate overview or explore weather in Thailand.
