A cold wave swept parts of Delhi on Sunday with the minimum temperature dropping to 3 degrees Celsius in the Ridge area, the India Meteorological Department said.
According to the IMD, a few places in the capital also reported a cold day -- when the minimum temperature is less than or equal to 10 degrees Celsius and the maximum temperature is at least 4.5 degrees Celsius below normal.
Dense fog and cold wave conditions are predicted at most places in the city on Monday.
The Safdarjung observatory, Delhi's primary weather station, logged a minimum temperature of 5.3 degrees Celsius -- three notches below normal.
Also watch: Visibility drops to zero in some places as biting cold sweeps north India
Dense to very dense fog prevailed in some parts of the National Capital Region, Haryana, Punjab, west Uttar Pradesh and north Rajasthan.
Foggy conditions will persist in these areas over the next few days, the IMD said.