The best time to visit Portland, New South Wales, Australia, is during the spring (September to November) or autumn (March to May) months.During spring, the weather is pleasantly mild, with average temperatures ranging from 15°C to 25°C (59°F to 77°F). This season is ideal for outdoor activities as the days are generally sunny and comfortable. The local gardens and natural landscapes are in full bloom, offering scenic views for walks and photography.Autumn also offers agreeable weather conditions, with temperatures similar to spring. The region experiences less rainfall during these months compared to summer, making it suitable for exploring the town and its surroundings without interruption.