Kanchanaburi weather in May
May in Kanchanaburi: sweltering, rainy — a gamble, with 35°C afternoons.
#10 of 12 months in Kanchanaburi · #832 of 897 destinations to visit in May · comfort 59/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Kanchanaburi in May
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Kanchanaburi climate normals — May
| Daytime high | 35°C / 95°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Rainfall | 104 mm / 4.1 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 12.8 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 55 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Kanchanaburi in May — FAQ
- Is May a good time to visit Kanchanaburi?
- May in Kanchanaburi: sweltering, rainy — a gamble, with 35°C afternoons. It ranks #10 of 12 months for Kanchanaburi on SeasonMap's comfort score (59/100).
- What is the weather like in Kanchanaburi in May?
- In May, Kanchanaburi averages a daily high of 35.2°C and a low of 26.2°C, with about 103.6 mm of rain over roughly 16.4 rainy days.
- What is the air quality in Kanchanaburi in May?
- Kanchanaburi has a mean US Air Quality Index of about 55 in May.