Monroe Township, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Monroe Township, New Jersey, United States, is known for its proximity to Thompson Park and the Forsgate Country Club. The best time to travel to Monroe Township, United States, is in late spring (May), when the average air temperature is around 65°F (18°C) and the water temperature in nearby lakes is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!