The best time to go to Portage, Marlborough, New Zealand, is during the summer months, from December to February, when the weather is warm and sunny, great for enjoying the Marlborough Sounds.During this period, you can expect long, bright days with average temperatures ranging from 20°C to 25°C. This makes it ideal for outdoor activities such as kayaking, paddleboarding, hiking the Queen Charlotte Track, or simply relaxing by the water. The calm waters of the Sounds are particularly inviting for swimming during these months.For those who prefer a quieter experience with pleasant weather, the shoulder seasons of spring (September to November) and autumn (March to May) are also excellent choices. You'll find fewer crowds and comfortable temperatures, typically between 15°C and 20°C. This is a great time for walking the track or exploring the local wineries without the peak season bustle.