According to MeT office, Churu was the coldest place with a minimum temperature of 6.0 degrees Celsius last night, about five degrees below normal.
Mercury was on downward trend at all places in the state as it plummeted by one to three degrees C, it said.
On hills, Mount Abu chilled at 7 degrees C, about two degrees below normal.
While on plains, Alwar recorded a minimum of 7.0 degrees C followed by Jhalawar 8.2, Jalore 8.7, Nagaur 9.0, Sriganganagar 9.2, and Jaipur 9.8, Pilani 10.1, Bharatpur 10.2, and Ajmer 11.8 degrees C.
MeT office in a forecast said that cold wave conditions may be generated in next 48 hours in northwest of the state.