The best time to visit Plomin Luka is typically between May and September, when the weather is warm and sunny, great for enjoying the coast.May and early June offer pleasant temperatures, usually in the low to mid-20s Celsius, and fewer crowds compared to the peak summer months. This period is ideal for couples who enjoy outdoor activities like hiking along the coastal paths or exploring the nearby Učka Nature Park without the intense heat. The sea is also beginning to warm up, making it suitable for swimming.July and August are the warmest months, with temperatures often reaching the high 20s or even 30s Celsius. This is peak season, so the area will be busier, but it's great for families looking to spend their days swimming and relaxing on the beaches. The long daylight hours allow for plenty of time to enjoy watersports or boat trips along the coast.September is another excellent option, especially for couples. The weather remains warm, usually in the mid-20s Celsius, but the crowds thin out considerably after the school holidays.