Other facts from our historical weather data: Which is the warmest month in Marau? February has an average maximum temperature of 30°C (86°F) and is the warmest month of the year. Which is the coldest month in Marau? The coldest month is August with an average maximum temperature of 26°C (79°F). Which is the wettest month in Marau? April tops the wettest month list with 152mm (6 in) of rainfall. Which is the driest month in Marau? September is the driest month with 84mm (3.3 in) of precipitation. 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.