The best time to go to Norrtälje is during the summer months, from June to August, when the weather is warm and the archipelago is at its most inviting.This period offers long daylight hours, often with daylight stretching past 10 PM, allowing for extended exploration and outdoor activities. The average temperatures range from 18°C to 22°C, making it pleasant for boat trips, swimming, and enjoying the town's outdoor cafes.Couples looking for a relaxing escape will find these months ideal for exploring the Norrtälje archipelago. Many boat tours operate regularly, offering scenic journeys to picturesque islands where you can enjoy picnics, walks, and the tranquil coastal environment. The town itself hosts various summer events and markets, adding to the relaxed holiday atmosphere.For families, the summer provides the great conditions for enjoying Norrtälje's parks and waterfront areas. Children can spend time by the water, and many of the local shops and eateries are geared towards summer visitors.