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Bihar

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Bihar Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Bihar year round climate

  • Spring (March–May): Average 23.3–29.3°C, warm and dry climate. Temperatures rise in March, and it starts to get hot in May. Common activities: Visiting historical sites and temples. Recommended clothing: Light and breathable long-sleeved shirts and long pants, and sun protection clothing.
  • Summer (June–August): Average 29.5–30.6°C, hot and humid climate with heavy rainfall, especially in August. Common activities: Indoor activities, visiting museums, and enjoying the tranquility of the rainy season. Recommended clothing: Light and breathable cotton clothing, loose-fitting long pants, and rain gear.
  • Autumn (September–November): Average 25.8–27.9°C, mild and comfortable climate with gradually decreasing rainfall. Common activities: Outdoor excursions and visiting rural areas. Recommended clothing: Comfortable long-sleeved shirts and long pants.
  • Winter (December–February): Average 14.4–17.7°C, mild and dry climate with lower temperatures. Common activities: Visiting local markets and enjoying the winter sunshine. Recommended clothing: Warm jackets and long pants.

Bihar climatological average

Annual average temperature: approx. 24°C / Annual rainfall: approx. 1331 mm / Summer humidity: 70%–80% / Rainiest month: August

Bihar monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
14.4°C
3.8
February
17.7°C
30
March
23.3°C
24.7
April
28.7°C
2.8
May
29.3°C
46.2
June
30.6°C
139.3
July
29.5°C
300.4
August
28.7°C
375.6
September
27.9°C
337.9
October
25.8°C
65.1
November
21.8°C
0.2
December
17°C
5

Bihar weather for the next seven days

5/6
Wednesday
Sunny
38.3°C/27.7°C
5/7
Thursday
Sunny
39.4°C/27.1°C
5/8
Friday
Sunny
39.1°C/26.7°C
5/9
Saturday
Patchy rain nearby
35.4°C/27.3°C
5/10
Sunday
Patchy rain nearby
35°C/26.2°C
5/11
Monday
Sunny
38.8°C/27.4°C
5/12
Tuesday
Patchy rain nearby
38.4°C/28.8°C

Bihar Frequently Asked Questions and Useful Information for Travel

Why is Bihar famous for tourism?

Located in Eastern India, Bihar is a state renowned for its significant pilgrimage sites, vibrant culture, and extensive history. Its name originates from the ancient word 'Vihara', meaning monastery, and the state is adorned with numerous monasteries, temples, and shrines, many associated with the life of Gautam Buddha.

What are the best tourist places to visit in Bihar?

Key tourist destinations in Bihar include Patna, an ancient and historically important city; Gaya, a city rich in cultural heritage; Muzaffarpur, known as the 'Litchi Kingdom'; Deoghar, the 'Land of Lord Shiva'; and Rajgir, a historic city of kings.

When is the ideal time to visit Bihar?

The best time to visit Bihar is between October and March, offering pleasant weather with temperatures ranging from 15-25°C, perfect for pilgrimage and sightseeing. Accommodation demand and prices may increase during Buddhist festivals and pilgrimages. July to September brings monsoon rains and humidity.

Why do foreigners visit Bihar?

Foreigners are drawn to Bihar for its deep religious significance. It is considered a sacred place for various religions, including Hinduism, Buddhism, and Jainism. Many international tourists travel to Bihar to explore its significant pilgrimage sites.

What historical significance does Bihar hold?

Bihar is a state steeped in history, playing a pivotal role in ancient India. It was the center of powerful empires like the Maurya and Gupta dynasties and is intrinsically linked to the origins of Buddhism and Jainism. Sites like Nalanda, an ancient center of learning, showcase its historical importance.