So the change of climate is set in Chennai swinging bye to pleasing mornings and evenings. The summer is here volunteering itself. It was 33.1 degree Celsius in Nungambakkam on Sunday, says meteorological department. This is 2.5 degree Celsius higher than the normal level. It was 33.4 degree Celsiusin Meenambakkam which accounts for 2.3 degree Celsius more than normal level. With these measurements, Sunday gets titled as the hottest day of the month so far.