Weather & climate · Bangkok

Best Time to Visit Thailand

November to January

The best time to visit Thailand is November to January, when daytime highs in Bangkok are around 30–33°C. February is also a good time to go. March is the warmest month (36°C by day), December the coldest (19°C at night), and September the wettest with about 278 mm of rain.

36°C

Warmest: March

19°C

Coldest nights: December

1361 mm

Rain per year

278 mm

Wettest: September

Thailand weather by month

Jan33°C20°C16 mm
Feb35°C22°C14 mm
Mar36°C24°C47 mm
Apr36°C26°C75 mm
May34°C26°C164 mm
Jun32°C25°C165 mm
Jul31°C24°C169 mm
Aug31°C24°C181 mm
Sep30°C24°C278 mm
Oct30°C24°C203 mm
Nov30°C22°C39 mm
Dec31°C19°C10 mm

Best time Good Less ideal

Average high Average low Rain (mm per month)

Month	High	Low	Rain	Humidity	Cloud cover	Verdict
January	33°C	20°C	16 mm	64%	40%	Best time
February	35°C	22°C	14 mm	61%	35%	Good
March	36°C	24°C	47 mm	62%	48%	Very hot
April	36°C	26°C	75 mm	66%	61%	Very hot
May	34°C	26°C	164 mm	76%	84%	Very hot
June	32°C	25°C	165 mm	80%	89%	Rainy
July	31°C	24°C	169 mm	81%	91%	Rainy
August	31°C	24°C	181 mm	82%	92%	Rainy
September	30°C	24°C	278 mm	85%	91%	Rainy
October	30°C	24°C	203 mm	85%	78%	Rainy
November	30°C	22°C	39 mm	80%	59%	Best time
December	31°C	19°C	10 mm	71%	47%	Best time

Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around Bangkok (13.75, 100.52). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in Thailand have their own climate.

Frequently asked questions

When is the best time to visit Thailand?

November to January. The best time to visit Thailand is November to January, when daytime highs in Bangkok are around 30–33°C. February is also a good time to go. March is the warmest month (36°C by day), December the coldest (19°C at night), and September the wettest with about 278 mm of rain.

What is the hottest month in Thailand?

March, with average highs of 36°C in Bangkok.

What is the coldest month in Thailand?

December, when nights drop to about 19°C and days reach 31°C.

What is the rainiest month in Thailand?

September with about 278 mm; December is the driest (10 mm).

When should I avoid visiting Thailand?

May is the least comfortable month on average: 34°C by day and 164 mm of rain.

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