Viljandi, Estonia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Viljandi is known for its picturesque lake and cultural festivals, Valga is known for its unique location on the Estonian-Latvian border, and Estonia is known for its beautiful Baltic Sea coastline and charming medieval towns. The best time to travel to Viljandi, Estonia, is during the summer months of June to August, when the average air temperature is around 17-20°C (63-68°F) and the water temperature in nearby lakes is approximately 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!