Western Australia has a lot going on throughout December, specifically in Perth, Australia's sunniest destination year-round. This December, Perth hosts the most highly anticipated international tennis superstar match featuring Serena Williams and Roger Federer as they go head to head at Hopman Cup on New Year's Day 2019. Through the month leading up to Christmas, visitors will be treated to dazzling holiday displays that illuminate the city with more than half a million Christmas lights and festive projections.