The best time to visit New South Wales (NSW) is from November to March. But it also depends on your desired activities and preferences. For Sydney and the coastal regions, the period from September to November and March to May offers pleasant temperatures, fewer crowds, and vibrant flora. Summer (December to February) beckons beachgoers and festival enthusiasts, but can be hot and crowded. The winter months (June to August) are ideal for exploring the Blue Mountains, with crisp air and the possibility of snowfall. To enjoy the Hunter Valley's vineyards and outdoor pursuits, spring and autumn are optimal. Plan your visit based on your interests and the experiences you wish to cherish.