August in Phong Thạnh averages a daily high of 31.7°C. Expect roughly 19.6 wet days totalling 314.9mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Phong Thạnh is January–March.
Based on CA MAU, VM (26.6km), 1995–2024. 21 years of August data.