The lowest recorded minimum temperatures for the month of December was 12 degrees Celsius on December 15 last year.
Mumbai witnessed its coldest winter in years on Wednesday night, when temperatures dipped to about 11.6 degree Celsius.
The city usually experiences about 17 degree Celsius temperature during December. This was about 6 degrees below normal.
The lowest recorded minimum temperatures for the month of December was 12 degree Celsius on December 15 last year.
According to weather department officials, minimum and maximum temperature levels will continue below normal for next 24 hours.
Cold and dry northwesterly winds from Pakistan have resulted in a significant drop in temperatures.
This is the second lowest minimum temperatures recorded for December since 2004.
As Mumbai shivered at 11 degrees, Mahabaleswhar recorded a temparature of 14 degrees Celsius.
The maximum temperature in December, which usually hovers around 24 degree Celsius in Mahabaleshwar has risen five degrees above normal this year. The minimum temperature which is usually 13 degree Celsius was at least 17 degree Celsius since the past week.