December in Trang averages a daily high of 31.2°C with nights around 22.4°C. Expect roughly 14.3 wet days totalling 190.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Trang is January–February.
Based on TRANG, TH (4.4km), 1995–2024. 21 years of December data.