In cold weather season, over Central Asia and Middle East a high pressure with anti-cyclonic conditions are established. This season is characterized by fine weather, low humidity and large diurnal range of temperature. But cool season is generally effected by cold waves Western Disturbances. These western disturbance cause fairly widespread rain over the region with occasional heavy rainfalls.
In Quetta and Kalat regions more then 75% of the total rainfall is received in winter season but in Indusbasin its amount is very small, but vital for the crops. In these cold waves, temperatures below freezing point are experienced. Along the coastal areas of Sindh and Balochistan due to maritime affect temperature remains quite high. The mountainous area of north and west, winter low temperature and snowfall are common, sometimes very low temperatures are recorded.
See also
Hot Weather Season – April to June
