The best time to visit São João is in June, particularly around the 23rd and 24th, to experience the vibrant São João Festival, or during May, September, and October for pleasant weather without the peak crowds.June is the ideal month if you want to immerse yourself in the local culture and festivities. The São João Festival, celebrated on the eve and day of June 24th, transforms the city with street parties, traditional music, dancing, and fireworks. The atmosphere is exhilarating, and you'll find plenty of local food stalls offering regional delicacies. This period is superb for travellers who enjoy lively events and don't mind larger crowds.For those who prefer a more relaxed visit with comfortable temperatures, May, September, and October offer excellent conditions. The weather is generally mild and sunny, ideal for exploring the historic centre, walking along the Lima River, or visiting nearby beaches without the intense heat of mid-summer. You'll find fewer tourists, making it easier to enjoy the sights and local restaurants at your own pace.