India, Dec. 8 -- The minimum temperature in Mumbai dropped to 18.4degC on Monday with the India Meteorological Department (IMD) forecasting a sustained drop in temperatures until December 13.

"Strong, persistent northerly winds have begun pushing cold air into the city, and minimum temperatures are expected to fall further until December 13, possibly touching around 16degC", IMD officials said.

Santacruz recorded a minimum of 18.4degC on Monday, the lowest since December 4 when it was 20.7degC, and 0.4degC below normal.

For nearly a week after December 4, the city observed warmer temperatures, with minimums settling around 20degC to 21degC.

Between December 1 and 4, IMD's Santacruz laboratory for Mumbai's had reported minimum temperat...