The best time to visit Malaysia in terms of weather and tourist crowds is generally during the dry season, which typically occurs from March to October. Within this period, the months of April, May, and June are often recommended as they tend to have the most consistent weather with minimal rainfall.

During the dry season, you can expect sunny days and lower humidity levels, making it ideal for outdoor activities, beach vacations, and exploring Malaysia's diverse attractions. Additionally, tourist crowds are relatively lower during this time compared to peak seasons like school holidays and major festivals.

However, it's essential to note that Malaysia's climate varies across different regions and islands. The east coast experiences its dry season from March to October, while the west coast has its dry season from November to March. Therefore, if you plan to explore both coasts, consider the weather patterns of each region when planning your trip.

Overall, the months of April, May, and June offer a good balance of favorable weather conditions and fewer tourists, making them an excellent time to visit Malaysia for a memorable travel experience.