Chalcis, Greece offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Chalcis is known for the Evripos Strait and the unique tidal phenomenon that occurs there. The best time to travel to Chalcis, Greece, is from May to September, when the average air temperature ranges from 25°C to 30°C (77°F to 86°F) and the water temperature is around 22°C to 26°C (72°F to 79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!