The best time to go to Fox Glacier is during the summer months, from December to February, or the shoulder seasons of spring (September to November) and autumn (March to May).Summer offers the most stable weather, with warmer temperatures and longer daylight hours, which is ideal for glacier walks, heli-hikes, and other outdoor activities. While it's the busiest time, the improved weather conditions make for a more reliable experience when planning tours that are weather-dependent.The shoulder seasons are also excellent choices. In spring, the landscape is lush and green, and waterfalls are plentiful from melting snow, offering stunning photographic opportunities. Autumn brings cooler, crisp air and often clear skies, with the added beauty of changing foliage in the surrounding forests.