Night temperature at many places in both south and north Bengal was three to five degrees below normal, the Met department said.
Jalpaiguri in the Dooars region recorded the second lowest temperature at 6.7 degrees.
Kolkata recorded the lowest night temperature at 11.5 degree celsius, which is three degrees below normal.
Other places which were under the grip of cold wave conditions were Sriniketan (7.0 degrees), Asansol (7.6 degrees C), Bankura (8.5 degrees), Burdwan (9.0 degrees) and Digha (9.4 degrees C), the MeT department said.