Jaisalmer recorded 42.3 degrees Celsius while Kota, Pilani and Chittorgarh recorded day temperatures of 42.1 degrees.
Jodhpur, Bikaner, Ganganagar and Jaipur also had a maximum of 42, 41.8, 41.7 and 40.2 degrees respectively.
Light rainfall occurred at isolated places in Jaipur, Ajmer, Kota and Bikaner divisions.
The weather would remain the same during the next 24 hours, according to a MeT forecast.