North Fremantle, Australia offers 3 beaches perfect for sunbathing, surfing, swimming, and more. North Fremantle is known for the historic Fremantle Harbour and the iconic North Mole Lighthouse. The best time to travel to North Fremantle, Australia, is from November to March, with average air temperatures around 25-30°C (77-86°F) and water temperatures around 20-23°C (68-73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!