Bokaro registered 43.5 deg C, while Ranchi recorded 42 deg C, Met office sources said.
Coal city Dhanbad experienced a high of 44 degrees Celsius, it said.
Garhwa and Dumka recorded 43.6 deg C, while Palamau and Chaibasa experienced 43.4 deg C and 43.1 deg C respectively, the sources said.
Jamtara recorded 42 degrees Celsius and Giridih and Lohardaga recorded 41 degrees Celsius and 40 degrees Celsius respectively.
Khunti and Latehar experienced 39 deg C.
The Jharkhand government yesterday asked all private and government schools to announce summer vacation from May 8 following the heat wave condition in the state.