The best time to visit Gustavus is during the summer months, specifically from June to August, when the weather is mildest and wildlife viewing opportunities are at their peak.This period offers long daylight hours, which means more time for exploring and enjoying the natural beauty of the area. The average temperatures during these months are comfortable, typically ranging from 10°C to 18°C. This makes it ideal for outdoor activities like kayaking, fishing, and hiking.For travellers keen on seeing marine wildlife, July and August are particularly good. This is when humpback whales are most abundant in the waters of Glacier Bay, offering excellent chances for whale watching tours. Local operators run daily trips from the Gustavus dock, making it easy to experience these magnificent creatures up close.June is also an excellent month, especially for those interested in birdwatching, as many migratory species are present. The lush greenery is at its most vibrant, and you can often find fewer crowds compared to the peak of August.While Gustavus is accessible year-round, the shoulder seasons (May and September) can also be rewarding for those seeking a quieter experience and potentially lower prices, though some services might be limited, and the weather can be more unpredictable.