January in Surat Thani averages a daily high of 30.9°C with nights around 21.3°C. Expect roughly 4 wet days totalling 14.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Surat Thani is January–February.
Based on SURAT THANI, TH (20.3km), 1995–2024. 19 years of January data.