May · Thailand
Best time to visit Ayutthaya in May Weather, crowds & prices
Weather in Ayutthaya in May
Average temperature 30°C, 184 mm of rain, about 24 days with 6+ hours of sunshine and 71% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
3.4/10
Ranked #9 of 12 months
- Avg temp
- 30°C
- Rainfall
- 184 mm
- Humidity
- 71%
- Days with 6h+ sun
- 24
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
May in Ayutthaya scores 3.4/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 30°C, 184 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Ayutthaya's ruined temples and prangs recall the Siamese capital that once ruled a vast kingdom.
May in Ayutthaya — off-season conditions
May averages 30°C (87°F) and humidity near 71%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 184 mm — wet for this destination — but about 24 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 3.4/10 here, 9th of 12 months, against 8.5/10 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.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? December scores 5.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Ayutthaya in May?
- In May, Ayutthaya averages 30°C, 184 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 3.4/10.
- Is May a good time to visit Ayutthaya?
- May earns a 3.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Ayutthaya in May?
- Expect about 184 mm of rain in May. Average humidity is 71% and there are about 24 days with 6+ hours of sunshine.
Curated in Ayutthaya
Tickets & experiences
Things to do in Ayutthaya
Ayutthaya, Thailand. Live activities and tours from GetYourGuide, matched to this destination.