Since, Bihar lies in the Indian subcontinent, it enjoys a continental monsoon type climate almost round the year. This is also because of its distance from the sea. Winters here extends from December to February. On the other hand, summers here are enjoyed between March and May. Those who want to enjoy monsoon here can plan a tour between June and September.
During the winter season, the temperature gets low from 5 to 10 degrees Celsius, while in summers it extends up to 40 to 45 degrees Celsius. The best time to visit Bihar is between October and November or between February and March, when the state enjoys a pleasant weather.
January is the coldest month of Bihar, when the temperature in its capital falls down to 10 degrees Celsius. Tourists planning tour to Bihar should avoid visiting this place in the summer season that lasts till the middle of June.