- January 26°CWeather80Crowds66Affordability82
- February 28°CWeather73Crowds75Affordability85
- March 29°CWeather63Crowds80Affordability84
- April 30°CWeather54Crowds82Affordability78
- May 30°CWeather46Crowds90Affordability77
- June 29°CWeather49Crowds76Affordability87
- July 28°CWeather49Crowds75Affordability80
- August 28°CWeather47Crowds83Affordability83
- September 28°CWeather45Crowds94Affordability99
- October 27°CWeather53Crowds76Affordability97
- November 27°CWeather67Crowds59Affordability93
- December 26°CWeather79Crowds47Affordability70
| Month | Avg temp | Weather | Crowds | Affordability |
|---|---|---|---|---|
| January | 26°C | | | |
| February | 28°C | | | |
| March | 29°C | | | |
| April | 30°C | | | |
| May | 30°C | | | |
| June | 29°C | | | |
| July | 28°C | | | |
| August | 28°C | | | |
| September | 28°C | | | |
| October | 27°C | | | |
| November | 27°C | | | |
| December | 26°C | | | |
Higher is better on all three: clearer weather, quieter streets, cheaper to be there.
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Cool Season · Jan 1 – Jan 31 · festival
Bangkok at its best — the dry northeast monsoon brings cooler nights and clear skies, the undisputed window for everything from temple runs to street food marathons.
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Chinese New Year · Jan 29 – Jan 25 · religious
Yaowarat (Chinatown) lit end-to-end; dragon parades and feasts spilling onto the streets for several days.
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Ramadan · Feb 12 – Feb 18 · religious
The month of daytime fasting - quieter daylight hours, then streets and tables come alive after sunset for iftar.
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Crop-burning haze · Feb 26 – Feb 8 · holiday
Regional sugarcane and rice-stubble fires push AQI into unhealthy ranges - the hidden cost of the cool dry season.
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Eid al-Fitr · Mar 19-25 · religious
The joyful close of Ramadan - new clothes, feasting and visiting; one of the warmest, busiest weeks of the year.
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Songkran (Thai New Year) · Apr 9 – Apr 22 · festival
The country shuts down for a three-day water fight - Khao San and Silom turn into joyous mosh pits.
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Eid al-Adha · May 21 – Jun 3 · religious
The festival of sacrifice - a major public holiday of communal prayers and shared feasts.
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Vesak · May 28-Jun 3 · religious
Buddha’s birth, enlightenment and passing marked in one day - temple visits, lantern-lit processions and acts of merit.
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Peak monsoon · Sep 3 – Sep 30 · holiday
Streets flood, afternoons washed out - flights cheap and crowds thin, but plans need flexibility.
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Vegetarian Festival · Oct 1-7 · festival
Chinese-Thai vegetarian observance - yellow flags over Chinatown food stalls, meat-free menus for nine days.
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Loy Krathong · Nov 12-18 · festival
Candle-lit lotus offerings on every river and pond under a full moon - the city's most photogenic night.
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King's Birthday · Dec 3-9 · holiday
A public holiday with parades and lights - government quiet, malls busy, alcohol restrictions in places.
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Western Christmas / New Year peak · Dec 17 – Dec 31 · holiday
Sukhumvit hotels packed with Europeans escaping winter - beach destinations doubly so; prices peak.
a reason to go mixed worth knowing about
Sources: Open-Meteo · Open-Meteo Air Quality · Google Trends · Google Flights · Religious calendar · Wikivoyage · manual curation
Last updated 2026-06-01