Although the summer temperatures do not get as high as those in Punjab, the high humidity causes the residents a great deal of discomfort.
In Islamabad, there are cold winds from the north of Pakistan.
It was not only the hottest temperature ever recorded in Pakistan but also the hottest reliably measured temperature ever recorded on the continent of Asia.
and the fourth highest temperature ever recorded on earth.
It is also speculated that cycles of tornado years may be correlated to the periods of reduced tropical cyclone activity.
The drought has become a frequent phenomenon in the country.
The highest rainfall of 620 millimetres (24 in) was recorded in Islamabad during 24 hours on 24 July 2001. It was the heaviest rainfall in Islamabad in the previous 100 years.
Each year before the onset of monsoon that is 15 April to 15 July and also after its withdrawal that is 15 September to 15 December, there is always a distinct possibility of the cyclonic storm to develop in the north Arabian Sea.
Half of the annual rainfall occurs in July and August, averaging about 255 millimeters in each of those two months.
The remainder of the year has significantly less rain, amounting to about fifty millimeters per month. Pakistan's largest city, Karachi, which is also the country's industrial center, is more humid than Islamabad but gets less rain.