There are usually quite a few people on the Mon Repos Beach from October to April.
From June to September the air temperature at Mon Repos Beach is perfect for sunbathing. The swimming season at Mon Repos Beach occurs from July to September, when the water is warm and comfortable for swimming.
From October to March Mon Repos Beach has rainy season. This is something to keep in mind when planning your trip since it is quite possible that you may be unable to sunbathe.