Bangkok Weather by Month
A meteorologist-led guide to Bangkok's weather every month of the year — tropical climate basics, when to avoid the monsoon, and when the city is at its best.
Pick your month →
🗓 Bangkok year-round
Best months to visit
- December — coolest, driest, sunniest — peak time to visit
- January — cool season continues, comfortable temps, dry
- February — still cool and dry, though heat starts creeping up by month's end
- November — monsoon ending, weather drying out, ahead of peak crowds
Plan extra carefully
- April — hottest month — 100°F+ days, peak humidity, sweltering
- September–October — peak monsoon, flood risk, near-daily heavy rain
- March, May — shoulders of hot season — already very hot; smoke haze possible in March from regional agricultural burning
Bangkok weather FAQ
When is the best time to visit Bangkok?
December through February — Bangkok's cool, dry season. Highs are still in the upper 80s°F, but humidity drops sharply, rainfall is rare, and nights are comfortable. December and January are the absolute peak; February starts warming up toward hot season.
How bad is Bangkok's hot season?
It's the part travelers most underestimate. April averages 95°F highs but 100°F+ days are routine, and combined with humidity the heat index regularly tops 110°F. Air conditioning isn't optional — plan accommodations and itineraries around it. Songkran (mid-April) is a major water festival that doubles as accidental heat relief.
Should I avoid Bangkok during the monsoon?
Not necessarily. Monsoon rains (June–October) are usually heavy but short — an hour-long afternoon downpour followed by clear skies. Hotel prices drop, crowds thin, and the city looks lusher. The trade-off is real flood risk in September and October when daily rain becomes near-constant and low areas can submerge briefly.
Does Bangkok get hit by typhoons?
Rarely with direct strikes. Bangkok sits inland in the Chao Phraya delta and is sheltered by the geography of the Gulf of Thailand. Typhoons hitting Vietnam, Laos, or Cambodia can send heavy remnant rain to Bangkok between September and November — contributing to the worst flooding of the year — but destructive direct hits are essentially unknown in modern records.