Patna’s climate is warm and temperate with hot summers and dry winters. Average summer temperatures from end of March to end of June are 35 degrees Celsius, with a low of 25 degrees and high of 39 degrees. Winter in Patna starts in December and lasts into the beginning of February and temperatures range from low of 10 degrees and high of 21 degrees. The rainy season runs through July and August. Best times to visit Patna are from October through February, when the weather ranges from pleasant to a brisk cold.