hr ad un ▁is ▁hum id ▁subt rop ical . ▁ ▁Summer ▁temper atures ▁can ▁reach ▁up ▁to ▁ 4 4   ° C ▁for ▁a ▁few ▁days ▁and ▁a ▁hot ▁wind ▁called ▁L oo ▁blow s ▁over ▁North ▁India . ▁Winter ▁temper atures ▁are ▁usually ▁between ▁ 1 ▁and ▁ 2 0   ° C ▁and ▁fog ▁is ▁quite ▁common ▁in ▁winter s ▁like ▁pla ins . ▁Although ▁the ▁temperature ▁in ▁De hr ad un ▁can ▁reach ▁below ▁free zing ▁during ▁severe ▁cold ▁sn aps , ▁this ▁is ▁not ▁common . ▁During ▁the ▁mon so on ▁season , ▁there ▁is ▁often ▁heavy ▁and ▁prot ract ed ▁ra inf all . ▁De hr ad un ▁and ▁other ▁pla ins ▁areas ▁of ▁U tt ar ak hand ▁see ▁almost ▁as ▁much ▁ra inf all ▁as ▁coast al ▁Mah ar as ht ra ▁and ▁more ▁than ▁Ass am . ▁Agricult ure ▁benefits ▁from ▁fert ile ▁all uv ial ▁soil , ▁ade qu ate ▁d rain age ▁and ▁pl ent iful ▁rain . ▁ ▁Dem ograph ics ▁▁ ▁As ▁per ▁prov is ional ▁reports ▁of ▁Census ▁India , ▁population ▁of ▁De hr ad un ▁in ▁ 2 0 1 1 ▁was ▁ 5 7 8 , 4 2 0 ; ▁male ▁and ▁female ▁are ▁ 3 0 3 , 4 1 1 ▁and ▁ 2 7 5 , 0 0 9 ▁respectively . ▁The ▁sex ▁ratio ▁of ▁the ▁city ▁is ▁ 9 0 6 ▁per ▁ 1 0 0 0 ▁males . ▁The ▁number ▁of ▁liter