The southern plains, including Kolkata and surrounding districts, receive a lower average of roughly 1,411 mm to 1,533 mm per year.
West Bengal presents a fascinating meteorological paradox. From the arid, baked earth of the western highlands to the waterlogged deltas of the Ganges, the average rainfall in West Bengal varies more drastically than in almost any other Indian state. While the state is synonymous with torrential monsoon rains, nearly a third of its landmass struggles with drought. average rainfall in west bengal
The disparity in rainfall defines the economy and culture of the state: While the state is synonymous with torrential monsoon
In the Sundarbans, the salinity of the water is balanced by monsoon rains, which is essential for maintaining the unique mangrove ecosystem and the freshwater availability for island villagers. 2. Monthly Distribution and Seasonality
The western plateau districts (such as Purulia and Bankura) and parts of the northern plains (like Nadia) often record the state's lowest annual rainfall, sometimes dipping toward 1,250 mm . 2. Monthly Distribution and Seasonality