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May in Cao Bằng averages a daily high of 30.7°C. Expect roughly 13.2 wet days totalling 218mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Cao Bằng is February–March.
Based on CAO BANG, VM (0.8km), 1995–2024. 21 years of May data.
See all twelve months for Cao Bằng →