Si Rusa, Malaysia offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Deerfield Beach is known for its beautiful sandy beaches and the International Fishing Pier. The best time to travel to Si Rusa, Malaysia, is between March and October, when the average air temperature ranges from 28°C to 32°C (82°F to 90°F) and the water temperature is around 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!