Ayutthaya, Thailand

There are 127 tropical destinations in our catalog, and Ayutthaya's numbers hold their own: a 95/100 sun score at its December peak, when rain interrupts barely 8% of days. For a culture-first visit at a tropical latitude, the data is a good starting point.

April is the heat peak, averaging 36°C highs; December is the cool end, when nights dip to around 22°C. On the rain ledger, December is the safest bet at an 8% chance of a wet day, while September climbs to 89%. If 24°C is your bar for proper warmth, count on January–December.

Averaged by season, sun scores land at 63 for spring, 64 for summer, 77 for autumn and 88 for winter — with typical afternoons of 35°, 33°, 31° and 32°C respectively. In short: plan around winter if you can, keep autumn as the fallback, and go into spring with managed expectations (its season score is 63). For warmth without the densest crowds, the shoulder play is December: still 31°C highs, with a sun score of 95.

Best months to visit Ayutthaya

Our month-by-month scoring puts December first (95/100), with January (90) and November (89) close behind. Anything in January–February and October–December clears our 70-point reliability bar. At the other end, May scores just 61, the weakest month of the year.

Put against its 126 tropical peers in December, it lands in the sunnier half of the group, ahead of 94% of them.

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

The live forecast backs this up: of the next 16 days, 4 look mostly clear and 5 carry meaningful rain risk, in a 22–32°C band. Today's cached sun score is 90/100.