The best times to visit Bihar for ideal weather are
November 19th to March 11th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Bihar Travel Guide
Other Bihar Travel Info
Weather in Bihar
Average temperatures in Bihar vary greatly. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is somewhat temperate — in the 42nd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Bihar, the hottest months are May, June, and then April. See average monthly temperatures below. The warmest time of year is generally early June where highs are regularly around 101.6°F (38.7°C) with temperatures rarely dropping below 80.8°F (27.1°C) at night.
Bihar Temperatures (Fahrenheit)
Bihar Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Bihar Perceived Temperature (F)
Bihar Perceived Temperature (C)
Average Bihar Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Bihar are November, December, and then January. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid January. For example, on the week of January 8th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid August with an average of 4 days of significant precipitation the week of August 13th.
When can you find snow in Bihar? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Bihar.
Snow on the Ground
The graph below shows the average snow on the ground in Bihar (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Bihar has some very humid months, and slightly dry months in the opposite season. The least humid month is April (35.5% relative humidity), and the most humid month is August (74.8%).
Wind in Bihar is usually extremely calm. The windiest month is May, followed by June and July. May’s average wind speed of around 5.7 knots (6.6 MPH or 10.6 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late May where average top sustained speeds reach 10.9 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Bihar.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||2.2||Barely noticeable||6||Light breeze|
|Feb||3||Barely noticeable||7.4||Gentle breeze|
|Mar||3.4||Barely noticeable||8||Light breeze|
|Apr||4.7||Light breeze||10.1||Gentle breeze|
|May||5.7||Light breeze||10.2||Light breeze|
|Jun||5.4||Light breeze||10||Gentle breeze|
|Jul||4.9||Light breeze||9.5||Light breeze|
|Aug||4.1||Light breeze||8.9||Gentle breeze|
|Sep||3.9||Barely noticeable||8.4||Light breeze|
|Oct||2.1||Barely noticeable||6.3||Light breeze|
|Nov||1.2||Barely noticeable||4.6||Light breeze|
|Dec||1.4||Barely noticeable||5.4||Light breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Bihar?
Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Oct 07, 2019 there are travel warnings and regional advisories for India; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 19, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Bihar, India is July, followed by August and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Bihar in October. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Bihar Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel very warm. Highs range from 101.3°F (38.5°C) and 83.7°F (28.7°C) with warmer temperatures in the later months. Rain is rare with 1 to 3 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have hot weather with high temperatures that are quite warm. These months see the most precipitation with 7 to 13 days of precipitation per month. June – August is the busiest season for tourism in Bihar, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 92.8°F (33.8°C) and 81.5°F (27.5°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 0 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is somewhat cool this time of year in Bihar to be enjoyable for warm weather travelers. The average high during this season is between 83.7°F (28.7°C) and 68.5°F (20.3°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are fairly slow with tourists.