Find hotels in Castrillon from £39

The best time to visit Castrillon is during the summer months, from June to September, when the weather is warm and sunny, great for enjoying the beautiful beaches and outdoor activities.During July and August, you'll find the warmest temperatures, often reaching the mid-20s Celsius, with plenty of sunshine. This is ideal for beachgoers who want to relax on the golden sands of beaches like Playa de Salinas or engage in water sports. The sea is also at its warmest, making it pleasant for swimming.June and September offer a slightly milder climate, with comfortable temperatures and fewer crowds compared to the peak summer months. These months are excellent for couples or travellers who prefer a more tranquil experience while still enjoying good weather for coastal walks, exploring the local villages, and dining outdoors. You'll still have ample opportunity to enjoy the natural beauty of the region without the busiest tourist rush.