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The climate of Islamabad has a humid subtropical climate (Köppen: Cwa), with five seasons: Winter (Nov−Feb), Spring (March−April), Summer (May−June), Rainy Monsoon (July−August) and Autumn (September−October). The hottest month is June, where average highs routinely exceed . The wettest month is July, with heavy rainfall and evening thunderstorms with the possibility of cloudburst. The coolest month is January, with temperatures variable by location. In Islamabad, temperatures vary from cold to mild, routinely dropping below zero. In the hills there is sparse snowfall. The weather ranges from a minimum of in January to a maximum of in June.〔(Islamabad (During 1931−2006) )〕 The average low is in January, while the average high is in June.〔(Country Studies, Climate of Pakistan )〕 The highest temperature recorded was in June, while the lowest temperature was in January.〔(【引用サイトリンク】title=Average Conditions, Islamabad, Pakistan )〕 On 23 July 2001, Islamabad received a record breaking of rain fell in just 10 hours. It was the heaviest rainfall in 24 hours in Islamabad and at any locality in Pakistan during the past 100 years.〔http://www.wmo.int/pages/prog/www/DPS/TC-DPFS-2002/Papers-Posters/Topic3-NaeemShah.pdf〕 Following is the weather observed over Islamabad Airport, which is actually located in Rawalpindi. ==Factors== The monsoon and the Western Disturbance are the two main factors that change the weather over Islamabad; otherwise, Continental air prevails for rest of the season. Following are the main factors that influence the weather over Islamabad. *Western Disturbances occur almost every month in the city, but peaking during the winter months and causes moderate to heavy rainfall, temperature also decreases due to it. These westerly waves are robbed of most of the moisture by the time they reach Islamabad. *Fog do occur during the winter season and remains for weeks; especially near Margalla Hills. *Dust storm occur during summer months with peak in May and June. These dust storm are quite violent. *Southwest Monsoon occurs in summer from the month of June till September. These monsoon rains are quite heavy by nature and can cause severe flooding if they interact with westerly waves. *Continental air prevails during the period when there is no precipitation in the city. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Climate of Islamabad」の詳細全文を読む スポンサード リンク
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