Marechal Deodoro experiences a warm and humid climate year-round, with temperatures ranging from the mid-20s to low 30s Celsius. Summer months, from October to March, are characterized by high temperatures, often reaching over 33C, with minimal diurnal variation. The warmer period is followed by a relatively mild winter, from June to September, where temperatures rarely drop below 19C and remain stable throughout the day. Autumn and spring seasons show moderate temperature fluctuations, but overall remain warm. Throughout the year, Marechal Deodoro's climate is influenced by its tropical location, resulting in high humidity levels and minimal seasonal variation.