October in Bỉm Sơn averages a daily high of 28.9°C. Expect roughly 10.9 wet days totalling 198.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bỉm Sơn is November–February.
Based on THANH HOA, VM (37.4km), 1995–2024. 21 years of October data.