Parts of Haryana and Punjab recorded below normal minimum temperatures on Friday with Hisar registering the coldest at 4 degrees Celsius.
Hisar's minimum temperature was five degrees below normal.
Narnaul reeled at a low of 5.5 degrees Celsius while Ambala's minimum temperature settled at 8.6 degrees Celsius.
Karnal recorded a minimum temperature of 7.8 degrees Celsius.
Chandigarh, the common capital of the two states, recorded a low of 8.9 degrees Celsius, a Meteorological Department report said.
Amritsar experienced a cold night at 4.1 degrees Celsius. Patiala recorded a low of 8.9 degrees Celsius while Ludhiana's minimum temperature settled at 7.6 degrees Celsius.