Thailand
Kanchanaburi in May
🌦️ Hot → rainy seasonVery hot, humid and often rainy. Watch for extreme heat risk.
🎒 Pack: light, breathable clothes & sunscreen · compact umbrella or rain jacket · quick-dry fabrics
Why May scores 6.9What goes into the score
How it works- Weather comfort5.9
- !Very hot (36°C highs / 26°C lows)
- !Very humid/sticky (dew point 23.2°C)
- !Wet: ~139 mm rain, ~4 heavy-rain days
- Air quality7.4
- ✓Moderate (PM2.5 ~22 µg/m³)
- Seasonal hazards8.5
- !Extreme heat: Average daily high 36°C
- Safety baseline8.0
- ·Normal precautions
| May | Dec | |
|---|---|---|
| Score | 6.9 Good | 8.8 Excellent |
| Season | 🌦️ Hot → rainy season | 🌤️ Cool season |
| High / low | 36° / 26° | 32° / 20° |
| Rain | 139 mm | 7 mm |
| Humidity | dew pt 23° | dew pt 19° |
| PM2.5 | 22 µg/m³ | 13 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Kanchanaburi weather-station normals. Rainfall: Kanchanaburi weather-station normals (national met service).
Holidays & crowdsMay 2027
Long weekendThere's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.
- National Labor Day 1–4 May · 4 days off in a row
Other public holidays: Visakha Bucha (20 May)
National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).
Explore KanchanaburiEvents, sights, food & souvenirs
Check event dates locallyKanchanaburi, west of Bangkok, is known for the Bridge on the River Kwai, World War II history along the Death Railway, and waterfall-filled national parks.
Rocket Festival (Bun Bang Fai)Across Thailand
Villages launch homemade rockets to summon rain for the rice season.
Coming up later
River Kwai Bridge WeekDate variesUsually late November to early December
A fair with a light-and-sound show recreating the wartime bombing of the bridge.
Why go: Very popular; accommodation near the bridge books out.
Where: Bridge on the River Kwai
ANZAC Day dawn serviceEvery year25 April every year
A dawn commemoration for Australian and New Zealand prisoners of war.
Why go: Attendance requires a pre-dawn start from Kanchanaburi town.
Where: Hellfire Pass Memorial
Songkran (Thai New Year)Every year13-15 April every year
Thai New Year water festival.
Why go: Expect water fights on the main roads.
Where: Town centre
Bridge on the River Kwai
The steel railway bridge built by prisoners of war as part of the Thailand-Burma Railway.
Kanchanaburi War Cemetery
The main Allied war cemetery for prisoners who died building the railway, near the town centre.
Thailand-Burma Railway Centre
A museum next to the war cemetery explaining the history of the railway's construction.
Hellfire Pass Memorial
A museum and walking trail through a cutting dug by prisoners, about 80 km north-west of town.
Erawan National Park
A seven-tier waterfall with turquoise pools you can swim in.
💡 Go early; the upper tiers need a steep walk and the park closes in late afternoon.
Death Railway train ride
The surviving line runs from Kanchanaburi past the Tham Krasae wooden viaduct to Nam Tok.
River fish dishes
Freshwater fish steamed, fried or in sour curry.
💡 Floating and riverside restaurants
Khao lam
Sticky rice with coconut milk roasted in bamboo tubes.
💡 Roadside stalls
Thai street food
Grilled meats, noodles and curries at the evening market.
💡 Kanchanaburi night market near the bus station
Bo Phloi sapphires
Blue sapphires mined in Bo Phloi district.
💡 Jewellery shops in town and near the bridge
Airport transfer Kiwitaxi
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