Other facts from our historical weather data: When is the rainy season in Prey Vêng? Rainy season in Prey Vêng occurs in the months of May, June, July, August, September and October. Does Prey Vêng have a dry season? Yes, the months of January and February are very dry. Which is the hottest month in Prey Vêng? April has an average maximum temperature of 37°C (99°F) and is the hottest month of the year. Which is the coolest month in Prey Vêng? The coolest month is January with an average maximum temperature of 33°C (91°F). Which is the wettest month in Prey Vêng? September tops the wettest month list with 275mm (10.8 in) of rainfall. Which is the driest month in Prey Vêng? February is the driest month with 11mm (0.4 in) of precipitation. Which is the sunniest month in Prey Vêng? March is the sunniest month with an average of 270 hours of sunshine. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.