The best time to go to Mount Cook is during the summer months, from December to February, when the weather is warmest and most stable for outdoor activities.During this period, you can expect average daily temperatures ranging from 10°C to 20°C, making it ideal for hiking and exploring the national park's many trails. The days are long, with plenty of daylight for sightseeing, and the alpine flowers are in bloom, adding to the scenery. This is also when all the major walking tracks, including the popular Hooker Valley Track and Kea Point Track, are fully accessible.Couples looking for an active holiday will find these months superb for experiencing Mount Cook's natural beauty together. The longer days allow for extended hikes and more opportunities to enjoy the stunning mountain views. It's also the best time for activities like scenic flights and heli-hiking, as weather conditions are generally more favourable.Families travelling with children will also appreciate the summer months. The warmer temperatures make outdoor exploration more comfortable for all ages, and the extended daylight hours mean you can pack more adventure into your days.