Climate of Bihar

The cold season begins in early November every year and lasts until mid-March of the next year. Then hot weather followed until mid-June. The rainy season begins soon after and lasts until the end of September. The local weather is warm and sunny in winter. In November every year, the temperature in various parts of Bihar is suitable, usually between 19.6-22.2℃. January is the coldest month of the year in Bihar. The highest temperature here generally occurs in May, which is the hottest month of the year in Bihar.

Similar to other parts of northern India, Bihar also suffers from sandstorms, thunderstorms and blowing sand in summer. The rainy season begins in June every year, and July and August are the months with the highest rainfall. The monsoon wind blowing from south to north usually withdraws from the Bihar region in the first week of October.