Narayanganj experiences a warm and humid climate throughout the year, with temperatures consistently rising as spring approaches. From January to March, temperatures gradually increase, reaching an average of around 29°C in March. Summer months from April to June are hot and dry, with temperatures often hitting 37°C, but cooling down slightly in July and August. Autumn brings a slight drop in temperature, averaging around 26-29°C from September to November, before cooling down further in December.