Winters in Samastipur are mild, with temperatures ranging from 9-24°C on average. As spring approaches, temperatures gradually rise, peaking at an average of 30°C in April and May. Summer months bring warm days and relatively cooler nights, with temperatures hovering around 25-36°C. Autumn sees a gentle decline in temperature, averaging 22°C in November. Cool winters return towards the end of the year, with December temperatures ranging from 11-27°C on average.