Pakistan has well defined seasons. Winter (December - February), Spring (March - April), Summer (May - September) and Autumn (October - November). During Summer in central and southern parts of the country, the temperature may go as high as 45 C. However, the Northern regions have very pleasant weather during Summer. Between July and August, the monsoon brings an average 38 to 51 cm of rain to the plains and 152 to 203 cm in lower Himalayan valleys of Murree, Kaghan, Swat and Azad Kashmir.