Wiang Sa is a city of approximately 11,900 people in Surat Thani, Thailand. Located in the Indochina time zone at 8.6°N latitude.
Recent weather here gives a sense of typical conditions: in 2025, Wiang Sa recorded a mean annual temperature of 79°F, ranging from 66°F lows in December to 98°F highs in March, with about 110 inches of precipitation across the year.
View historical weather for Wiang Sa · More cities in Surat Thani