Phuket weather in May
May in Phuket: sweltering, soaked, with clean air — a great time to visit.
#7 of 12 months in Phuket · #463 of 604 destinations to visit in May · comfort 70/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Phuket climate normals — May
| Daytime high | 29°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 250 mm / 9.9 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 12.5 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Phuket in May — FAQ
- Is May a good time to visit Phuket?
- May in Phuket: sweltering, soaked, with clean air — a great time to visit. It ranks #7 of 12 months for Phuket on SeasonMap's comfort score (70/100).
- What is the weather like in Phuket in May?
- In May, Phuket averages a daily high of 29.3°C and a low of 26.9°C, with about 250.4 mm of rain over roughly 26.2 rainy days.
- What is the air quality in Phuket in May?
- Phuket has a mean US Air Quality Index of about 40 in May.