Mon Jambe, Indonesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mon Jambe, Aceh, Indonesia, is known for its stunning natural landscapes and cultural heritage, including the iconic Baiturrahman Grand Mosque and the beautiful beaches of Pulau Weh. The best time to travel to Mon Jambe, Indonesia, is from May to September, with average air temperatures around 27°C (81°F) and water temperatures near 29°C (84°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!