Vung Tau is greatly influenced by the tropical monsoon and the ocean climate. The average annual temperature is about 27,5°C; highest in May (29,3°C); lowest in February (25,6°C). The number of sunny hours of sunshine is about 2779 hours and evenly distributed throughout the year. The average annual humidity is about 78.8%.
Average annual rainfall is low (about 1.271mm) and unevenly distributed over time, forming two distinct seasons: the rainy season last from May to October, accounting for 90% of annual rainfall and dry season last from November to April.