MeT office said that several districts of the state witnessed a sharp fall in the maximum temperature with Gorakhpur and Bahraich recording 13.5 and 12.8 degrees Celsius respectively which were nine degrees below normal.
Kanpur City was the coldest place in the state recording the minimum temperature at 0.7 (-6) followed by Muzaffarnagar at 1.0 (-5) degree Celsius.
The state capital Lucknow was also reeling under cold with seasons lowest at 3.0 (-4) and maximum 18.1 (-4) deg C, with fog in the morning.
They were appreciably below normal over Varanasi, Lucknow, Meerut, below normal in Gorakhpur, Faizabad, Allahabad,Kanpur, Bareilly and Moradabad.
MeT officials have forecast that fog would occur over the state in the next 24 hours.