On the Ganga–Bhagirathi alluvial plain, hot dry winds (loo) can blow through summer, and the rising Ganga floods low-lying areas in the monsoon. Winter is mild, with fine morning mist a regular feature around the silk towns of Azimganj and Raghunathganj.
Usually July–September, when heavy rain falls upstream. Riverside villages should track both river-level reports and the rain forecast.
Yes — in May afternoons the hot dry wind can make the felt temperature worse. Cover your head when stepping out.
November–February — daytime temperatures stay comfortable, the best window for exploring the historic monuments.