Weather is probably a major factor when you plan your trip to Lake Bennett, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually November and October, with an average temperature of 29°C, while the coldest months are July and August, with an average of 26°C. The rainiest months in Lake Bennett are January, February, December and March, with each month seeing an average of 440 mm of rainfall.