May · Thailand
Best time to visit Kanchanaburi in May Weather, crowds & prices
Weather in Kanchanaburi in May
Average temperature 29°C, 176 mm of rain, about 23 days with 6+ hours of sunshine and 72% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
4.8/10
Ranked #8 of 12 months
- Avg temp
- 29°C
- Rainfall
- 176 mm
- Humidity
- 72%
- Days with 6h+ sun
- 23
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
May in Kanchanaburi scores 4.8/10 for nature and wildlife travel - ranked #8 of 12. Expect around 29°C, 176 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
Kanchanaburi's river, wartime bridge and waterfalls sit west of Bangkok near the Myanmar border.
May in Kanchanaburi: expect compromises
Days in May average 29°C (85°F) and humidity near 72% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
176 mm of rain makes this a wet month here, though with about 23 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 4.8/10 on the same scale — 8th of 12 months, versus 8.4/10 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, footwear you can get muddy.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, January is materially better in Kanchanaburi — 3.6 points higher on the same scale.
Frequently asked
- What is the weather like in Kanchanaburi in May?
- In May, Kanchanaburi averages 29°C, 176 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 4.8/10.
- Is May a good time to visit Kanchanaburi?
- May earns a 4.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kanchanaburi in May?
- Expect about 176 mm of rain in May. Average humidity is 72% and there are about 23 days with 6+ hours of sunshine.
Curated in Kanchanaburi
Tickets & experiences
Things to do in Kanchanaburi
Kanchanaburi, Thailand. Live activities and tours from GetYourGuide, matched to this destination.