Bangkok Weather in April – Average Temperature and Rainfall

High
34.3°
Low
27.0°
Rainfall
84 mm
Rainy season
12d
max
39.0°
min
19.6°

April

Early
33.7°
18.5 mm
Mid
34.6°
25.5 mm
Late
34.6°
40.2 mm

Summary

The climate figures for Bangkok are averaged from 2016–2025 observations (10 years). Annual rainfall averages about 1,561 mm.

The rainy season runs May–October. The wettest month is September with 296.7 mm across 27 rain days; the driest is December at just 19.2 mm.

The hottest month is April (average high 34.3°C) and the coolest is October (30.9°C).

The most comfortable time to visit Bangkok is December — less rain and milder heat.

Monthly averages

Common questions

Will it rain in Bangkok today?
Yes. Rain is expected around 00:00–00:00, totalling roughly 4.7 mm.
How hot is it in Bangkok today?
Between 25°C and 29°C, with a felt maximum of 35°C.
What is the weather in Bangkok tomorrow?
Tomorrow: thunderstorm, 25–29°C, with a 98% chance of rain.

Bangkok