Bangkok, Thailand

Set in the tropics, Bangkok (Thailand) is best understood through its weather data: our 2015–2024 climate record puts its peak at a 94/100 sun score in December, exactly the kind of reliability you want for a city break.

Across a typical year, afternoon temperatures swing between 31°C (October) and 34°C (April). On the rain ledger, December is the safest bet at an 11% chance of a wet day, while September climbs to 90%. If 24°C is your bar for proper warmth, count on January–December.

Season by season (on the northern calendar), spring brings 34°C highs with 43% rain-day odds, summer 32°C at 81%, autumn 31°C at 65%, and winter 32°C at 14%. In short: plan around winter if you can, keep autumn as the fallback, and go into summer with managed expectations (its season score is 71). A practical compromise is January — the edge of the warm window, averaging 32°C with a 92 sun score.

Best months to visit Bangkok

Our month-by-month scoring puts December first (94/100), with January (92) and November (88) close behind. The dependable window is wider than the podium, though: January–April and June–December all score 70 or better. Skip May if sunshine is the point — it bottoms out at 69/100.

Put against its 126 tropical peers in December, it lands in the sunnier half of the group, ahead of 86% of them.

Month-by-month breakdown for Bangkok → · More destinations for December →

As of the latest refresh, Bangkok's next 16 days span 23°C to 32°C; 2 days look mostly sunny while 7 look likely to be wet — a live sun score of 82/100.