Dumraon's climate is characterized by a gradual warming trend throughout the year. In winter, temperatures range from 8-19°C in January and 10-22°C in February, with an average low of around 15°C in February being the coldest month. As spring approaches, temperatures rise sharply, reaching averages of 26°C in March and 29°C in April and May. Summer months bring consistent highs around 30-38°C from June to August, while autumn sees a slight drop, with September's average temperature still hovering around 29°C. In winter again, temperatures dip back down to 9-25°C by December.