May · Thailand
Best time to visit Koh Phi Phi in May Weather, crowds & prices
Weather in Koh Phi Phi in May
Average temperature 30°C, 229 mm of rain, about 20 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
6.6/10
Ranked #6 of 12 months
- Avg temp
- 30°C
- Rainfall
- 229 mm
- Humidity
- 77%
- Days with 6h+ sun
- 20
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
May in Koh Phi Phi scores 6.6/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 30°C, 229 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Koh Phi Phi pairs limestone cliffs and turquoise bays with the busy village of Tonsai.
May in Koh Phi Phi — middling scores, decent value
May averages 30°C (86°F) and humidity near 77%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
229 mm makes this the wettest stretch of the year, though about 20 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 6.6/10 here, 6th of 12 months, against 8.7/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.
Flexible dates? February scores 2.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Koh Phi Phi in May?
- In May, Koh Phi Phi averages 30°C, 229 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 6.6/10.
- Is May a good time to visit Koh Phi Phi?
- May earns a 6.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Koh Phi Phi in May?
- Expect about 229 mm of rain in May. Average humidity is 77% and there are about 20 days with 6+ hours of sunshine.
Curated in Koh Phi Phi
Tickets & experiences
Things to do in Koh Phi Phi
Koh Phi Phi, Thailand. Live activities and tours from GetYourGuide, matched to this destination.