April is the most popular time to visit the Melbourne Central Business District (CBD), as it falls within the peak season from March to May. During this period, the city buzzes with energy, and visitors can engage in vibrant culture, exciting events, and stunning autumnal scenery. The weather is typically mild, with temperatures ranging from 10 to 20 degrees Celsius, making it comfortable for outdoor activities and sightseeing.In April, you can enjoy leisurely strolls through the CBD's iconic laneways, indulge in the culinary delights at various cafes and restaurants, and explore the renowned Melbourne markets. The city's parks and gardens, adorned with autumn leaves, provide a picturesque backdrop for relaxation or picnics.For those seeking a more budget-friendly option, October is an excellent time to visit. While it is considered the low season, the city still offers a wealth of experiences. The spring weather tends to be pleasant, with blooming gardens and vibrant street art. This quieter time allows for a more relaxed exploration of the city's attractions without the hustle and bustle of peak tourist crowds.Ultimately, your choice of when to visit Melbourne CBD will depend on whether you prefer the lively option of the peak season or the charming serenity of the shoulder months.