Sultanganj experiences a warm and humid climate year-round, with temperatures gradually increasing as the seasons progress. Winter months of January and December are mild, with average highs ranging from 27-33°C, while February is slightly warmer, averaging around 21°C. Spring brings rising temperatures in March to April, with averages soaring to 30°C, marking the start of a hot summer. Summer months from May to August see temperatures plateau at an average of 30-31°C, followed by a slight drop in September and October as autumn sets in. Winters return in November, bringing cooler temperatures averaging around 23°C before gradually warming up again for the next year's cycle.