The lowest temperature on Monday morning in Delhi was 19.6 degrees Celsius, which is six degrees below the season's normal.
At 8.30 am, the relative humidity was 87 percent.
Thunderstorms and rain are expected throughout the day, according to the weather office. The highest temperature will probably be about 26 degrees Celsius.
The highest temperature in Delhi dropped to 28.7 degrees Celsius on Sunday due to light rain, which is 10 degrees below the season's normal and the lowest reading for the month since April 4, 2015, according to the India Meteorological Department.
On April 4, 2015, the city saw a high of 26 degrees Celsius.
