Very hot in May
35°C average high
avg high · 24° at night
25°C+ on almost every day · often 35°C+
Thailand
Bangkok weather in May
Is it warm? Yes. May in Bangkok is very hot: afternoons average 34°C and nights 27°C. Most days (80%) peak between 31°C and 37°C.
Very hot · average high
34°C
25°C or more on almost every day. 35°C or more on about three in ten days.
- Average low27°overnight
- Sea—inland
- Rainy days17150 mm in the month
- SkyMostly cloudy82% cloud · 4% clear days
How warm it really gets
Every May afternoon from 2011–2025: 465 days. Most (80%) peaked between 31° and 37°.
May, year by year
The average May high in each year. The warmest, 2015, averaged 35°C; the coolest, 2022, 31°C.
Compared with home
Average May highs. Expect rain on about 17 days (150 mm in a typical month).
- Bangkok34°
- London17°
- Manchester16°
- Cork15°
- Dublin15°
- Glasgow15°
- Belfast14°
Warmer in May, not much further
Flying times are estimates from Dublin; Bangkok is about 12h 30m.
Very hot in May
35°C average high
avg high · 21° at night
25°C+ on almost every day · often 35°C+
Very hot in May
39°C average high
avg high · 23° at night
25°C+ on almost every day · often 35°C+
Air: ERA5 reanalysis via Open-Meteo, 2011–2025. Rainy day = 2 mm or more. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology