Night temperatures dipped by a few degrees in parts of Rajasthan where Bhilwara was recorded as the coldest place at 3.8 degrees Celsius.
Churu, Sikar and Vanasthali recorded minimum temperatures of 4.1, 5 and 5.2 degrees Celsius, respectively, the MeT Department said.
Alwar, Pilani, Bikaner and Sriganganagar recorded minimum temperatures of 5.4, 5.9, 6 and 6.6 degrees Celsius, respectively, it said.
Heavy fog affected vehicular traffic on highways. Several people were injured Sunday in a pile-up involving more than 40 vehicles due to heavy fog in Sikar district.
The MeT Department said weather conditions would remain the same during the next 24 hours.