The Palam observatory registered a high of 39.3 degrees Celsius, five notches above the normal, the official said.
In Uttar Pradesh, apart from Banda, high temperatures were experienced in cities like Gorakhpur, Faizabad, Varanasi, Allahabad, Lucknow, Moradabad, Jhansi, Agra, Meerut, Kanpur and Bareilly.
The maximum temperatures recorded in Basti and Kanpur were 40.2 and 40.6 degrees Celsius respectively. On Wednesday, it was 40.5 degrees Celsius, which is a 3.6-degree departure from normal.
It is unlikely that the weather conditions will improve if IMD's seven-day forecast is any indication.
"At 23.7 degrees Celsius, six notches above the season's average, it is the highest minimum temperature recorded in this season in the past five years", a MeT department official said.
The minimum temperature broke the record of Wednesday and weather office expect rise in minimum temperature in the coming days.
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Bhira village in Raigad district, adjoining Mumbai notched a staggering 47 degrees Celsius on Tuesday, but IMD officials suspect a glitch in the temperature recording instruments.
Intense heat conditions continued in several pats of the country and parts of Gujarat, Andhra Pradesh, Haryana and Punjab reeled under intense heat today.
At Adilabad, the maximum temperature was recorded at 41.3 degree Celsius.
In Haryana, Narnaul sizzled at 42 degrees Celsius.
In Punjab, Patiala recorded a maximum 38 degrees Celsius, Ludhiana saw the mercury rising to 37.1 degrees Celsius, the MeT department said.
The maximum temperature in Jammu and Kashmir also went up, even as the city received light showers. In most parts of the state, the maximum temperature was in the 40-43 degrees range. The maximum temperature in Amritsar was 34.8 degrees Celsius, five notches above normal.