Three trains were rescheduled and eight trains were running late, a North West Railway spokesperson said.
Mount Abu was the coldest place in the state, recording a minimum of 1.2 degree Celsius, Met department said.
Churu and Jaipur recorded 5.4 degree Celsius, whereas Pilani had 6.6 degrees Celsius, Sriganganagar - 7.5 degrees, Bikaner - 7.7 degrees and Ajmer - 9 degrees.