Delhi's Minimum Temperature Dips To 7 Degrees Celsius, Mercury Likely To Drop Further: Weather Office Delhi's Minimum Temperature Dips To 7 Degrees Celsius, Mercury Likely To Drop Further: Weather Office Delhi temperature: The mercury is likely to drop to five to six degrees Celsius by January 14, an IMD official said. Delhi Temperature: Clouds trap some of the outgoing infrared radiation and radiate it back downward. New Delhi: Delhi's minimum temperature was recorded at seven degrees Celsius on Monday and is likely to drop further as cold winds from the snow-clad western Himalayas continued to sweep the plains, the India Meteorological Department (IMD) said.