Ayutthaya Weather & Climate: Best Time to Visit

In Ayutthaya temperatures are generally consistent throughout the year. Average daytime temperatures reach a very hot 38°C (100°F) in April. In December, the coolest month of the year, temperatures drop to a very warm 34°C (93°F).

At night, temperatures range from around 27°C (81°F) in April to 22°C (72°F) in December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Ayutthaya experiences significant rainfall throughout the year, averaging 1347 mm (53 in) of precipitation annually. Ayutthaya can be quite wet during September, receiving approximately 285 mm (11 in) of precipitation over 19 rainy days.

In contrast, during the driest month (December), you will experience much drier conditions, with 9 mm (0.4 in) of precipitation spread across a single rainy day. For more details, please visit our Ayutthaya Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Ayutthaya can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 9.1 hours of sunshine daily. In contrast, the city experiences much darker days in September, with only 5.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Ayutthaya.

The city experiences its highest humidity in September, reaching 79%. In January, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year