Chian Yai

Chian Yai is one of the smaller communities in Nakhon Si Thammarat, Thailand, known for its traditional character.

Like much of Thailand, Chian Yai has a tropical monsoon climate — hot temperatures throughout the year with a clear contrast between the rainy season (roughly May to October) and the drier, sunnier months from November onward. Humidity is consistently high, with daytime highs between 30°C and 35°C.

During the rainy season, Chian Yai can see several centimetres of rain in a single afternoon. Storms often arrive late in the day and clear by evening, leaving humid but cooler conditions overnight.

Visitors looking for the best weather in Chian Yai should aim for the November–February window, when the monsoon has passed and humidity drops noticeably.

Chian Yai lies near sea level, so coastal breezes and ocean-moderated temperatures play an important role in day-to-day weather.

For the most accurate up-to-the-minute weather in Chian Yai, see the live current conditions, hourly and 7-day forecast sections above.