Artemisia, Greece offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Artemisia, Ionian Islands, Greece, is known for its proximity to the stunning Navagio Beach and the Blue Caves. The best time to travel to Artemisia, Greece, is from May to September, with average air temperatures around 75°F (24°C) and water temperatures near 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!