May in Phong Thạnh averages a daily high of 33.3°C. Expect roughly 16.3 wet days totalling 210mm. 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. 22 years of May data.