Sun, sea & sand

Patong, Phuket weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

70

Holiday weather in May

Good

Best time to visit: January – March

Air temperature29°CNight 27°
Sea temperature30.0°Cvery warm
Sunshine6hrs / dayof 12.5 h daylight
Rainy days27days / month259 mm

What is the weather like in Patong, Phuket in May?

In May, Patong, Phuket is hot: daytime highs average 29 °C, and even at night it stays warm at around 27 °C. The sea averages 30.0 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 27 days, totalling 259 mm. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is a good month for a holiday in Patong, Phuket.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score757069
Day30°29°29°
Night27°27°27°
Sea30°30°30°
Sun8 h6 h6 h
Rain days232725

More details for May

Daylight
12 h 29 min06:09 – 18:37
UV index
13 · extremeclear sky, noon (estimate)
Muggy days
31 daysdew point 18 °C or more
Wind
14 km/haverage daily peak
Cloud cover
86 %on average
Hot days
6 days30 °C or more
Time zone
UTC+7Asia/Bangkok

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %52 %
  • Few rainy daysweight 20 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella

Patong, Phuket in May: quick answers

Is Patong, Phuket hot in May?

Yes. In May, Patong, Phuket is hot: daytime highs average 29 °C and nights stay around 27 °C. On about 6 days the thermometer climbs to 30 °C or more.

Can you swim in Patong, Phuket in May?

Yes. In May the sea averages 30.0 °C – almost as warm as a bath.

Does it rain much in Patong, Phuket in May?

It rains often – on about 27 days, adding up to 259 mm.

Patong, Phuket month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)