Other facts from our historical weather data: Which months have the greatest rainfall in Brick Bay? Most rainfall (rainy season) is seen in January, October, November and December. Which is the hottest month in Brick Bay? September has an average maximum temperature of 30°C (86°F) and is the hottest month of the year. Which is the coolest month in Brick Bay? The coolest month is January with an average maximum temperature of 27°C (81°F). Which is the wettest month in Brick Bay? October tops the wettest month list with 298mm (11.7 in) of rainfall. Which is the driest month in Brick Bay? April is the driest month with 30mm (1.2 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.