Monthly climate guide
Phuket weather in May
Expect hot weather in Phuket in May: afternoons reach about 29°C (85°F), while nights drop to around 28°C (82°F). Around 285 mm of rain falls over the month (very wet), and skies are often cloudy. Daytime highs are about the same as April and about the same as June.
What stands out in May
- Only 2 months are warmer in Phuket than May.
- Humidity near 82% makes 29°C feel stickier than it sounds.
- Just 550 km apart, but Phuket runs about 3°C cooler than Hua Hin this month.
- There's little difference between day and night (around 1°C).
Avg high
29°C
85°F
Avg low
28°C
82°F
Rainfall
285 mm
very wet
Humidity
82%
relative
Sky
91%
cloud · often cloudy
Phuket weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 28°C / 83°F | 26°C / 79°F | 115 mm | 82% | 63% |
| February | 29°C / 84°F | 26°C / 79°F | 33 mm | 78% | 47% |
| March | 30°C / 86°F | 27°C / 81°F | 103 mm | 77% | 54% |
| April | 30°C / 86°F | 28°C / 82°F | 156 mm | 79% | 80% |
| May | 29°C / 85°F | 28°C / 82°F | 285 mm | 82% | 91% |
| June | 29°C / 84°F | 28°C / 82°F | 286 mm | 83% | 88% |
| July | 29°C / 83°F | 28°C / 82°F | 280 mm | 82% | 89% |
| August | 28°C / 83°F | 27°C / 81°F | 343 mm | 83% | 88% |
| September | 28°C / 83°F | 27°C / 80°F | 363 mm | 84% | 91% |
| October | 28°C / 83°F | 27°C / 80°F | 328 mm | 84% | 88% |
| November | 28°C / 83°F | 27°C / 80°F | 258 mm | 84% | 85% |
| December | 28°C / 83°F | 26°C / 79°F | 178 mm | 83% | 75% |
What to pack for May
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is May a good time to visit Phuket?
Our Phuket guide recommends: November to April, the dry season — the rainy season from May to October can bring rough seas and reduced boat trips.
If visiting outside the dry season, check sea conditions before booking island-hopping boat trips — some routes reduce or pause in rough weather.
Best time to visit Phuket →Other Thailand cities in May
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Phuket weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/thailand/phuket/may
<a href="https://weathercompare.eu/weather/thailand/phuket/may">Phuket weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/thailand/phuket" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Phuket weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/thailand/phuket/may">Phuket weather in May</a> – WeatherCompare</p>
Phuket in May: quick answers
Is May a good time to visit Phuket?
May is one of the wetter months in Phuket, with about 285 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Phuket in May?
Average highs are about 29°C (85°F) and average lows about 28°C (82°F), based on 10 years of daily data.
Does it rain a lot in Phuket in May?
Phuket typically gets around 285 mm of rain in May — very wet.
When is the best time to visit Phuket?
November to April, the dry season — the rainy season from May to October can bring rough seas and reduced boat trips.
Figures are long-term averages for the area around Phuket (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.