Phuket Weather in May

In May, Phuket averages a high of 33°C (91°F) and a low of 25°C (78°F), from 49 years of daily records (1971–2026).

33°C

Average high

91°F

25°C

Average low

78°F

38°C

Record high

100°F · May 4, 2023

20°C

Record low

68°F · May 20, 1992

What May Is Like in Phuket

6 of the 10 warmest Mays on record in Phuket have come since 2012.
May in Phuket has become 1.5°C (2.8°F) warmer on average: the 2012–2026 average against 1970–1989.
The coldest May reading, 20°C (68°F) on May 20, 1992, has not been matched in 34 years.
A typical May brings 3 days above 35°C (95°F).

At least 1 mm of rain falls on 60% of May days, and the month averages 275 mm in total.

Average daytime high in Phuket, every May since 1971

Warmest: 1998 (35.2°C)Latest: 2026 (32.9°C)10-year averageLong-run average (32.9°C)

See the weather in Phuket on any May date, year by year.

Source: NOAA GHCN-Daily, Phuket (1971–2026). Averages cover 1971–2026. How we compute this