Narnaul's minimum settled three notches below normal while Hisar also reeled under biting cold at a low of 2.5 degrees Celsius, which was five notches below normal.
Cold conditions also swept Ambala at 6.3 degrees Celsius.
Chandigarh experienced a cold night at 6.2 degrees Celcius, down two degrees than normal, the MeT Department here said.
In Punjab, Amritsar reeled under severe chill at a low of 2.7 degrees, down two notches, while Ludhiana experienced a cold night at 3.4 degrees, down three notches than normal.