June in Chũ averages a daily high of 31.7°C. Expect roughly 14.2 wet days totalling 173.8mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Chũ is October–December.
Based on LANG SON, VM (55.1km), 1995–2024. 18 years of June data.