Summer (June-August): Midnight sun provides nearly 24-hour daylight, warm temperatures (12-15°C), and optimal conditions for outdoor activities, whale watching, and exploration. Peak tourist season with maximum amenity availability.
Winter (December-February): Long dark nights create ideal aurora viewing conditions. Cold temperatures (-5 to 0°C) with frequent snow. Limited daylight but magical winter atmosphere. Fewer tourists and special seasonal activities.
Spring/Autumn (April-May, September-October): Transitional seasons with mild weather, fewer crowds, and unique lighting conditions. Excellent for photography and nature exploration with fewer facilities closed.