Relative humidity in the air was reported to be 91 per cent at 8:30 AM.
According to the weather bureau, temperature is expected to rise as high as 34 degrees Celsius even as rainfall is expected in many areas during the day.
"Relative humidity was recorded to be on higher side due to 15 mm rainfall reported over the past 24 hours. Rainfall along with thundershowers is expected to occur in many areas during later part of the day," a weather official said.