sentences:  On an average, May is the hottest month with daily average temperatures ranging from a low of 27 °C to a maximum of 40 °C, while January the coldest month has temperatures varying from a low of 12 °C to a maximum of 23 °C.Often during early summer, dusty squalls followed by spells of thunderstorm or hailstorms and heavy rains cum ice sleets lash the district, bringing relief from the humid heat.These thunderstorms are convective in nature, and is locally known as Kal baisakhi (কালবৈশাখী, Nor'westers).