Pakistan's climate varies from acontinental type of climate in thenorth (Gilgit-Baltistan, Kashmir, KPK), a mountainous dry climate in thewest (Baluchistan), a wet climate in theEast (Punjab) an arid climate in the Thar Desert, to atropical climate in thesoutheast (Sindh), characterized by extreme variations in temperature, both seasonally and daily, because it is located on a great landmass barely north of theTropic of Cancer (between latitudes 25° and 37° N).

Very high altitudes modify the climate in the cold, snow-covered northern mountains; temperatures on theBalochistan plateau are somewhat higher. Along the coastal strip, the climate is modified by sea breeze. In the rest of the country, temperatures reach great heights in the summer; the mean temperature during June is 38 °C (100 °F) in the plains, the highest temperatures can exceed 53 °C (127 °F). During summer, hot winds calledLoo blow across the plains during the day. Trees shed their leaves to avoid loss of moisture. Pakistan recorded one of the highest temperatures in the world, 53.7 °C (128.66 °F) on 28 May 2017, the hottest temperature ever recorded in Pakistan and also the second hottest measured temperature ever recorded inAsia.^[1]

The dry, hot weather is broken occasionally by dust storms and thunderstorms that temporarily lower the temperature. Evenings are cool; the daily variation in temperature may be as much as 11 °C to 17 °C. Winters are cold, with minimum mean temperatures inPunjab of about 4 °C (39 °F) in January, and sub-zero temperatures in the far north andBalochistan.

Winters are extremely cold in the north and the milder they get the more you go to the south. Spring causes heavy rainfall in the northern parts while it is mild in most parts of Pakistan. Summers are sweltering, boiling and extremely hot in central Balochistan, southern Punjab and Upper Sindh while it gets milder the more you go to the north and the coast. The Monsoon season (late June-late September) also occurs in the summer season.Autumn is pleasant but gets cooler day by day with almost no rainfall. Winter in some parts even starts in late October-early November.

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Themonsoon and theWestern Disturbance are the two main factors which alter the weather over Pakistan; Continental air prevails for the rest of the year. Following are the main factors that influence the weather over Pakistan.

• Western Disturbances mostly occur during the winter months and cause light to moderate showers in southern parts of the country while moderate to heavy showers with heavy snowfall in the northern parts of the country. These westerly waves are robbed of most of the moisture by the time they reach Pakistan.
• Fog occurs during the winter season and remains for weeks in upperSindh, centralKhyber Pakhtunkhwa andPunjab.
• Southwest Monsoon occurs in summer from the month of June till September in almost whole Pakistan excluding westernBalochistan,FATA,Chitral andGilgit–Baltistan. Monsoon rains bring much awaited relief from the scorching summer heat. These monsoon rains are quite heavy by nature and can cause significant flooding, even severe flooding if they interact with westerly waves in the upper parts of the country.
• Tropical storms usually form during the summer months from late April till June and then from late September till November. They affect the coastal localities of the country.
• Dust storms occur during summer months with peak in May and June. They are locally known asAndhi. These dust storms are quite violent. Dust storms during the early summer indicate the arrival of the monsoons while dust storms in the autumn indicate the arrival of winter.^[2]
• Heat waves occur during May and June, especially in southernPunjab, centralBalochistan and upperSindh.
• Thunderstorms most commonly occur in northern Punjab,Khyber Pakhtunkhwa andAzad Kashmir.
• Continental air prevails during the period when there is no precipitation in the country.

Pakistan has four seasons: a cool and cold winter from December through February; a pleasant spring from March through May; the summer rainy season, or southwest monsoon period, from June through September; and dry autumn period of October and November. The onset and duration of these seasons vary greatly according to location.

The climate in the capital city of Islamabad varies from an average daily low of 2 °C in January to an average daily high of 38 °C in June. 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. Hailstorms are common in the spring.

Pakistan's largest city, Karachi, which is also the country's industrial center, is more humid than Islamabad but gets less rain, but still possesses a tropical climate. Only July, August and September average more than 75 millimeters of rain in the Karachi area; the remaining months are rather dry. The temperature is also more uniform in Karachi than in Islamabad, due to its tropical climate, ranging from an average daily low of 13 °C during winter evenings to an average daily high of 34 °C on summer days. 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.^[3]

A high of 53.7 °C (128.66 °F) was recorded inTurbat,Balochistan on 28 May 2017. It was not only the hottest temperature ever recorded in Pakistan but also the second verified hottest temperature ever recorded inAsia as of 2019^[1] and the fourth highest temperature ever recorded on earth. The highest rainfall of 620 millimetres (24 in) was recorded inIslamabad during 24 hours on 24 July 2001. The record-breaking rain fell in just 10 hours. 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. Cyclones form in the Arabian sea often results in strong winds and heavy rainfall in Pakistan's coastal areas. However tornadoes mostly occur during spring season that is March and April usually when aWestern Disturbance starts effecting the northern parts of the country. It is also speculated that cycles of tornado years may be correlated to the periods of reduced tropical cyclone activity. They have also reported two tornadoes over Peshawar (Pakistan), one near Ludhiana (Punjab) on 10 March 1975 and one over Delhi on 17 March 1978. A tornado is also reported to have hit Chak Misran village close to Sargodha in Pakistan on 28 March, 2001 (Khan, 2010; Faisal and Jameel, 2010).

The drought has become a frequent phenomenon in the country. Already, the massive droughts of 1998-2002 has stretched the coping abilities of the existing systems to the limit and it has barely been able to check the situation from becoming a catastrophe. The drought of 1998-2002 is considered the worst drought in 50 years. According to the Economic Survey of Pakistan, the drought was one of the most significant factors responsible for the less than anticipated growth performance. The survey terms it as the worst drought in the history of the country. According to the government, 40 percent of the country's water needs went unmet.^[4][5]

Pakistan has seen many floods, the worst and most destructive is the recent2010 Pakistan floods, other floods which caused destruction in the history of Pakistan, include the flood of 1950, which killed 2910 people; on 1 July 1977 heavy rains and flooding inKarachi, killed 248 people, according to Pakistan meteorological department 207 millimetres (8.1 in) of rain fell in 24 hours.^[6] In1992 flooding duringMonsoon season killed 1,834 people across the country^{[citation needed]}. In1993 flooding duringMonsoon rains killed 3,083 people over South Asia, 15 of whom were in Pakistan.^[7] In 2003 Sindh province was badly affected due to monsoon rains causing damages in billions, killed 178 people, while in 2007Cyclone Yemyin submerged lower part of Balochistan Province in sea water killing 380 people. Before that it killed 213 people in Karachi on its way to Balochistan.

2010 July floods swept 20% of Pakistan's land, the flood is the result of unprecedented Monsoon rains which lasted from 28 July to 31 July 2010.Khyber Pakhtunkhwa andNorth eastern Punjab were badly affected during the monsoon rains when dams, rivers and lakes overflowed. By mid-August, according to the governmental Federal Flood Commission (FFC), the floods had caused the deaths of at least 1,540 people, while 2,088 people had received injuries, 557,226 houses had been destroyed, and over 6 million people had been displaced.^[8] One month later, the data had been updated to reveal 1,781 deaths, 2,966 people with injuries, and more than 1.89 million homes destroyed.^[9] The flood affected more than 20 million people exceeding the combined total of individuals affected by the2004 Indian Ocean tsunami, the2005 Kashmir earthquake and the2010 Haiti earthquake.^[10][11] The flood is considered as worst in Pakistan's history affecting people of all four provinces andGilgit–Baltistan andAzad Kashmir region of Pakistan.^[12]

The 2011 Sindh floods began during the monsoon season in mid-August 2011, resulting from heavymonsoon rains inSindh,Eastern Balochistan, andSouthern Punjab.^[13] The floods have caused considerable damage; an estimated 270 civilians have been killed, with 5.3 million people and 1.2 million homes affected.^[14] Sindh is a fertile region and often called the "breadbasket" of the country; the damage and toll of the floods on the local agrarian economy is said to be extensive. At least 1.7 million acres of arable land has been inundated as a result of the flooding.^[14] The flooding has been described as the worst since the2010 Pakistan floods, which devastated the entire country.^[14] Unprecedented torrential monsoon rains caused severe flooding in 16 districts of Sindh province.^[15]

In 2022, floods caused bymonsoon rains and melting glaciers inPakistan particularly in the southern regions of Sindh and Balochistan had killed at least 1,128 people, including 340 children and six military officers in a helicopter crash, with over 1,700 more injured. It is the world's deadliest flood since2017.^[16] On 25 August, Pakistan declared astate of emergency because of the flooding.^[17]

From March to July 2023, floods caused bymonsoon rains returned toPakistan afternine months. They worsened at the end of June due to upcomingmonsoon rains.^[18] At least 159 people were killed, including many children.^[18]

This section is an excerpt fromClimate change in Pakistan.[edit]

Climate change in Pakistan is a major issue for the country. Pakistan is highlyvulnerable toclimate change. As with thechanging climate in South Asia as a whole, the climate of Pakistan has changed over the past several decades, with significant impacts on the environment and people.^[19] In addition to increased heat, drought andextreme weather in parts of the country, themelting of glaciers in theHimalayas has impacted some of the importantrivers of Pakistan. Between 1999 and 2018, Pakistan ranked 5th in the countries affected by extreme weather caused by climate change.^[20]

Punjab, the biggest province of Pakistan, has shown commitment to tackle challenges related to Climate Change under the Climate Change Activity Plan and Punjab Climate Change Strategy.^[21]

Pakistan is prone to a range of natural disasters, including cyclones, floods, drought, intense rainfall, and earthquakes. According to scientific research, climate change played a substantial role in the devastating floods of 2022, which had a direct impact on over 30 million people in Pakistan, resulting in the loss of lives, damage to public infrastructure, and displacement from homes.^[22] Climate change poses a significant menace to Pakistan's economy and security.^[23]

• Climate of Islamabad
• Climate of Karachi
• Climate of Lahore
• Climate of Faisalabad
• Climate of Rawalpindi
• Climate of Peshawar
• Climate of Quetta
• Climate of Multan
• Climate of Hyderabad, Sindh
• Climate of Sindh
• Climate of Nawabshah
• Climate of Gwadar
• Third Pole

• Climate of Pakistan
• Climate by country

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