Politics Delhi in for second-coldest December since 1901; minimum temperature drops to 4.2 degrees Celsius Updated : December 27, 2019 11:36 AM IST After 1992, Delhi has had cold spells only in four years — 1997, 1998, 2003 and 2014. In December this year, the mean maximum temperature (MMT) till Thursday was 19.85 degrees Celsius. A "severe cold day" is when the maximum temperature is at least 6.5 degrees Celsius below normal. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.