March in Rio de Janeiro marks the transition from summer to autumn. Typical conditions include hot and humid days with average high temperatures around 82F (28C). Rainfall becomes more frequent compared to the drier summer months, with short, heavy showers common in the afternoons or evenings. This period experiences high humidity levels, often exceeding 80%.
Understanding these climatic conditions is essential for travelers planning visits during this period. Packing appropriate clothing, such as light, breathable fabrics and rain gear, is crucial. The shift in weather also influences local activities and events. While beach days remain popular, the increased rainfall can sometimes disrupt outdoor plans. Historically, March falls within the wetter season in Rio de Janeiro, a pattern influenced by the city’s tropical climate and coastal location.