According to the MeT department, the highest temperature was 46.2 degrees Celsius recorded at Etawah with state capital Lucknow sweating it out at 40.6 degrees.
But day temperatures fell in Meerut, which recorded 4-cm rainfall, and at Budhana (2-cm), MeT officials added.
Anupsahar and Sardana each received 1-cm rain while heat wave conditions prevailed over one or two places in the Kanpur, Allahabad and Jhansi divisions.
The forecast is for dry weather over the state with a possibility of dust storm in isolated places in western UP.