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Bihar

Bihar 1
Travel guide
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Travel guide
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Best time to visit Bihar

Data source:Meteostat
Last updated:2025-09

Weather in Bihar throughout the year

  • 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.

Weather in Bihar

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

Bihar weather by month

Month
Temperature (°C)
Rainfall (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

7-day weather forecast for Bihar

10/29
Thursday
Patchy rain nearby
26.8°C/21.1°C
10/30
Friday
Overcast
22.4°C/20.5°C
10/31
Saturday
Sunny
29°C/20.7°C
11/1
Sunday
Smoky haze
28.8°C/21.9°C
11/2
Monday
Sunny
30.7°C/22.3°C
11/3
Tuesday
Sunny
30.4°C/22°C
11/4
Wednesday
Sunny
29°C/21.4°C