Average Rainfall In West Bengal: ^new^

About of the state's total annual rainfall occurs during the southwest monsoon (June to September). Characteristics Monsoon June – September Heaviest rains, especially in July (30% of annual total). Post-Monsoon October – November

About of the state's total annual rainfall occurs during the southwest monsoon (June to September). Characteristics Monsoon June – September Heaviest rains, especially in July (30% of annual total). Post-Monsoon October – November