May · Thailand
Best time to visit Bangkok in May Weather, crowds & prices
Weather in Bangkok in May
Average temperature 30°C, 183 mm of rain, about 24 days with 6+ hours of sunshine and 73% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
3.3/10
Ranked #9 of 12 months
- Avg temp
- 30°C
- Rainfall
- 183 mm
- Humidity
- 73%
- Days with 6h+ sun
- 24
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
May in Bangkok scores 3.3/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 30°C, 183 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
From January to March, Bangkok’s cooler dry season reveals glittering temples, sizzling street food, and tranquil canal life at their best.
May in Bangkok: expect compromises
Days in May average 30°C (87°F) and humidity near 73% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
183 mm of rain makes this a wet month here, though with about 24 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 3.3/10 on the same scale — 9th of 12 months, versus 8.3/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, December is materially better in Bangkok — 5 points higher on the same scale.
Frequently asked
- What is the weather like in Bangkok in May?
- In May, Bangkok averages 30°C, 183 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 3.3/10.
- Is May a good time to visit Bangkok?
- May earns a 3.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Bangkok in May?
- Expect about 183 mm of rain in May. Average humidity is 73% and there are about 24 days with 6+ hours of sunshine.
Curated in Bangkok
Tickets & experiences
Things to do in Bangkok
Bangkok, Thailand. Live activities and tours from GetYourGuide, matched to this destination.