Patna recorded 15.6 mm rain today, a MeT office bulletin said.
Purnea received 10 mm rain, while Gaya got 4.3 mm rains and 0.2 mm in Bhagalpur, it said.
The maximum temperature in Patna was recorded at 34.2 degrees Celsius, while its was 34.1 degrees Celsius in Gaya, 36.2 degrees Celsius in Bhagalpur and 34.8 degrees Celsius in Purnea, the MeT office said.
Humidity continued to remain high at 85 per cent in Patna.
The state MeT office has forecast generally cloudy sky with possibility of rain or thunder in Patna and Gaya in the next 24 hours.