The best time to visit Hanko is during the summer months, specifically from June to August, when the weather is at its warmest and the town is most active.During this period, you can expect average daily temperatures ranging from 15°C to 22°C (59°F to 72°F), making it pleasant for outdoor activities. The long daylight hours, typical of Nordic summers, allow for extended exploration of Hanko's beaches, the eastern harbor, and the town's architectural offerings. This season is ideal for travelers who enjoy seaside activities, dining outdoors, and a lively, yet relaxed, town atmosphere.For those seeking a quieter experience while still enjoying good weather, late spring (May) and early autumn (September) also offer agreeable conditions. Temperatures are cooler, but there are fewer crowds, providing a more tranquil setting to appreciate Hanko's natural beauty and historic villas.