Srinagar records a low of minus 4.2 degrees.
'Chillai-Kalan' will end on January 31. The cold wave continues even after that in Kashmir with a 20-day-long 'Chillai-Khurd' (small cold) and a 10-day-long 'Chillai-Bachha' (baby cold).
Srinagar recorded a low of minus 3.2 degrees Celsius, an increase of two degrees from the previous night's minus 5.2 degrees Celsius, a spokesman for the MET department said in Srinagar.
The 40-day period marks the harshest phase of the winter in the Kashmir valley.
Rain and snow on the first day of Chillai-Kalaan is locally seen as a good omen and a precursor to plenty of snow.
The Indian Army's Romeo Force has intensified search and surveillance operations in the Pir Panjal ranges of Poonch district in Jammu and Kashmir amid heavy snowfall in the region.
Srinagar recorded its third lowest December temperature in 133 years on Saturday.
Amid freezing temperatures and treacherous terrains, the Indian Army has intensified its counter-terrorism operations across Kishtwar and Doda districts in Jammu and Kashmir to pursue and neutralise Pakistani terrorists attempting to exploit the harsh winter for concealment, sources said on Saturday.
The national capital was in the grip of a cold wave, with the sun largely obscured by clouds and pollutants lingering in the atmosphere, leading to reduced visibility. At least 129 flights were cancelled at the Delhi airport on Saturday due to dense fog, according to an official.
The Valley has witnessed heavy snowfall and sleet over the past two days.
This was the lowest minimum temperature recorded in the city since 1991, when the mercury had fallen to minus 11.4 degree Celsius.
Tourists amaze at the frozen waterfall of Drung near Baramulla. The waterfall has completely frozen due to freezing temperatures.
Kashmir is currently under the grip of 'Chillai-Kalan' -- the 40-day harshest winter period when a cold wave grips the region
Kashmir Valley reeled under sub zero temperature as mercury in summer capital Srinagar was recorded at minus 3.9 degrees Celsius and in cold desert of Ladakh it remained under the 10 degrees mark freezing most water bodies and fringes of famous Dal lake.
Cold wave conditions continued unabated in Kashmir Valley with minimum temperatures hovering below freezing point, causing severe problems to the residents.
The lowest temperature ever recorded in Srinagar was minus 14.4 degrees Celsius in 1893.
Operations at the Delhi airport remained normal. However, three flights were returned or diverted to the Delhi airport due to bad weather in Chandigarh, Varanasi and Lucknow on Tuesday night.
The Meteorological Department has forecast rains or snow over five days from Monday.
Leh in Ladakh region recorded the lowest temperature this winter as mercury plummeted to minus 17.1 degree Celsius on Tuesday night, a meteorological department official said.
Kashmir Valley on Thursday experienced fresh snowfall with most places, especially the plains, witnessing the first snow of the season, breaking the prolonged dry spell at the fag end of 'Chillai-Kalan', the 40-day period of harshest winter. While the snowfall was mild and brief, it nonetheless brought much joy to the locals.
Large parts of north India reeled under numbing cold on Tuesday with the mercury remaining below freezing point at most places in Jammu and Kashmir, while dense fog in the early hours of the morning hit road and rail traffic movement.
Normal life was thrown out of gear in Kashmir on Saturday as most areas of the valley received snowfall, disrupting flight and railway operations and also leading to the closure of the Srinagar-Jammu National Highway, officials said.
The minimum temperature across the Kashmir Valley and Ladakh Union Territory stayed several degrees below the freezing point, intensifying the cold wave in some areas in the region, an official of the Meteorological Department said. He said Srinagar city recorded the low of minus 6.2 degrees Celsius last night, down from minus 5.8 degree Celsius the previous night.
Kashmir remained cut off from rest of the country for the fourth consecutive day on Wednesday as the arterial Jammu-Srinagar national highway and the Mughal road remained closed, while air traffic was suspended due to heavy snowfall across the valley.
The snowfall started during the night at most places and early in the morning at few places, the officials said. They said while some areas in north Kashmir received light snowfall, most areas in central and south Kashmir experienced moderate snowfall.
The all-time low recorded in the month of December in Srinagar is minus 12.8 degrees Celsius on December 13, 1934.
The bone-chilling cold returned as the night temperature plunged below the freezing point across Kashmir division after a brief respite owing to the rains in plains and snowfall in high altitude areas early this week.
Mercury plummeted in Kashmir Valley on Thursdayafter a slight respite for few days, dropping further below the freezing point with Kargil recording a new low of minus 15.8 degrees Celsius this season.
On December 7, 1990, Srinagar had recorded a low of minus 8.8 degrees Celsius.
Mercury continued its free fall in Kashmir division as Leh in Ladakh region recorded the coldest night this winter with a minimum temperature of minus 16.3 degrees Celsius.
The 40-day period of harshest winter ended on Saturday
The cold conditions returned in Kashmir division as the night temperature in most places, including Leh, plunged further below the freezing point followed with clear skies and unusual sunny days.
Leh and Kargil towns in Ladakh region recorded the season's coldest night as the cold wave intensified in Jammu and Kashmir after a slight respite for few days.
Cold wave tightened its grip on Kashmir Valley ahead of the onset of 'Chillai-Kalan' -- the 40-day harshest winter period -- with the summer capital Srinagar and Leh town recording the coldest night of the season.
There was some respite in cold conditions in Kashmir as the mercury went up by several degrees at most places after four days of virtual free fall.
The 40-day period of harshest winter in Kashmir known as 'Chillai-Kalan', began on Monday as the mercury dipped to season's lowest at several places including Srinagar, the summer capital of Jammu and Kashmir.
Kashmir witnessed the season's heaviest snowfall.
Intense cold conditions prevailed in parts of north India on Sunday as the mercury plummeted to minus 12.6 degrees Celsius in Leh, while the Kashmir valley braced for possible snowfall over two days from Monday
The crucial Jammu-Srinagar highway has been blocked
North India was in the grip of intense cold with 40 days of harshest winter period 'Chillai-Kalan' beginning in Jammu and Kashmir on Saturday and icy winds sweeping across the plains.