Weather and Monsoon
Bangladesh is a dominant feature of life is the annual cycle of overabundance of water in the monsoon and its scarcity in winter. But the phenomenon changes dramatically during the winter months of November to May when the flows in the three major rivers- Ganges, Brahmaputra and Meghna - decrease considerably and most of the streams and channels almost dry up leading to shortage of fresh water for use in agriculture, fishery, navigation and industries as well as for domestic use.