What April feels like in Bangkok
April sits between Bangkok's dry and wet seasons. Midday heat is intense, and most people keep to shade or air-conditioning in the afternoon. Nights bring little relief: even the coolest hour of the night stays very warm. Some humidity hangs in the air, noticeable when the sun is strong.
Rain in Bangkok in April
Expect a mix of dry and wet days, with rain about one day in 3. A rainy day brings about 6.6 mm (0.3 in) on average — steady rain rather than a passing shower. That is close to Bangkok's typical rain per wet day for the whole year (about 7.6 mm).
Daylight and sunshine in April
In mid-April, sunrise is at about 6:05 am and sunset at about 6:31 pm (local time) — 12 h 26 min of daylight. Days are getting longer: 24 min more daylight than in mid-March. Close to the equator, sunrise and sunset times move very little through the year. Measured sunshine covers about 88% of the daylight — skies are mostly clear.
How April compares to the rest of the year
Ranked by average high, April comes out as the warmest month in Bangkok. Compared with March, afternoons are 0.8°C (1.4°F) warmer, with 36 mm more rain. From here temperatures start to ease, beginning in May. The next month's average high: 33.3°C (91.9°F).
Who April suits
- Sightseeing: less ideal — midday heat makes long walks hard.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
- Museums & indoor: a good choice — a cool break during the hottest hours.
Tips for visiting Bangkok in April
Rain Protection
A packable rain jacket saves the day on showery afternoons.
Sun Protection
Loose, breathable clothing plus sunscreen and a wide-brimmed hat.
Quick questions
How warm is Bangkok in April?
Afternoons average 34.3°C (93.7°F) and nights about 26.7°C (80.1°F) — very hot by most people's standards. It is the warmest month of the year.
Does it rain a lot in Bangkok in April?
It does: about 12 rainy days bring roughly 79 mm, so plan some indoor options.
What should I wear in Bangkok in April?
The numbers point to rain protection and sun protection. Evenings feel similar to the day, so the same clothes work from morning to night.
Is April or May better for visiting Bangkok?
On our 12-month climate ranking, April comes out ahead (#8 of 12 vs #11). May is cooler and has more rainy days.