Other facts from our historical weather data: Which months have the greatest rainfall in Gibson Bight? Most rainfall (rainy season) is seen in January, October, November and December. Which is the hottest month in Gibson Bight? 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 Gibson Bight? The coolest month is January with an average maximum temperature of 27°C (81°F). Which is the wettest month in Gibson Bight? November tops the wettest month list with 305mm (12 in) of rainfall. Which is the driest month in Gibson Bight? April is the driest month with 31mm (1.2 in) of precipitation. Which is the sunniest month in Gibson Bight? April is the sunniest month with an average of 236 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.