Dong Nai is one of several regions in Vietnam, with temperatures that range from 31°C (88°F) in December to 35°C (95°F) during the peak of April. We've based our full climate overview on data from Bien Hoa, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
High temperatures are a constant in Dong Nai, especially in Bien Hoa, with average maximums staying above 31°C (88°F) all year long.
The peak of the heat usually falls in March, April and May.
Precipitation in Dong Nai varies considerably throughout the year. The wettest conditions occur in September with 318 mm (13 in) of rain, while February stays relatively dry with 11 mm (0.4 in). The region experiences its rainy season during May, June, July, August, September and October, when monthly rainfall can range from 213 mm (8.4 in) to 318 mm (13 in). Rainfall in February is at its lowest, remaining under 11 mm (0.4 in).
For those seeking sunshine, March usually has the brightest skies, making it an excellent time for exploring the region.