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Bangkok, Thailand

The climate in Bangkok is tropical, with annual average temperatures spanning 31°C / 87°F during January up to 34°C / 94°F in April.

Rainfall averages about 106 mm / 4.2 inches per month, with the wettest conditions in September (261 mm / 10.3 inches) and the driest in December (11 mm / 0.43 inches).

The UV index ranges from 7 in December to 9 in April, so strong sun protection is essential during summer months.

Daylight hours range from about 11.3 hours in December to 12.9 hours in June.

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Trip planning

Plan your trip

Find the best dates. Understand the conditions. Pack with confidence.

Climate overview

Climate at a glance

The big-picture stats that matter for planning your visit to Bangkok.

Temperature range

Typical highs and lows

High34.5°C
Low21.8°C

The broad yearly range between warm daytime highs and the coolest overnight lows.

Rain pattern

Wettest point of the year

261 mm

September carries the highest typical rainfall load.

Sun exposure

Typical peak UV band

Very High (8.7)

A fast read on how strong midday sun typically gets across the year.

Daylight window

Seasonal daylight range

11 hrsto13 hrs

Useful for gauging how much sightseeing time you get in shorter versus longer seasons.

Wind profile

Typical breeze strength

9 km/h

March is typically the breeziest month.

Humidity

Typical moisture range

62 %to83 %

A quick signal for how dry, comfortable, or heavy the air tends to feel.

When should I go?

Our top-rated months for visiting Bangkok, based on long-term weather comfort and conditions

Next steps

Dive deeper into rankings, month details, or packing guidance.

Short term outlook

Visiting soon? Here's the next 7 days of weather for Bangkok, or see an hourly breakdown for the next 14 days.

Travel planning FAQ

Frequently asked questions

Quick answers to the weather questions you ask the most.

How does the weather in Bangkok feel over the year?

On a typical year, you can expect highs around 32°C (90°F) and lows near 25°C (77°F). Conditions usually feel hot in the daytime and warm once the sun goes down. You may notice some humidity at times. It tends to be on the cloudier side, with fewer blue-sky days.

When is the best time to visit Bangkok for dry weather?

The driest month is usually December, with around 11 mm (0.43 in) of rain. In contrast, September is the wettest month, so that’s when you’re most likely to need a raincoat or umbrella.

When is sun exposure strongest in Bangkok?

UV tends to peak in April, when UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.

Is Bangkok humid?

It can feel humid, especially in the warmer months, when humidity can climb to around 83%. Light, breathable fabrics help a lot on muggy days.

Is Bangkok a windy place?

Across the year, average winds sit around 9 km/h (6 mph), with gusts on windier days up to about 50 km/h (31 mph). Overall it is it can feel quite windy at times, particularly when weather systems move through.

How much daylight does Bangkok get?

On average, days offer about 12 hours of daylight. Daylight is fairly typical, with enough time for sightseeing.

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