Rosera, India
Bihar · India
Rosera is a mid-size city in Bihar, India with a population of 31,155. Elevation: 171 ft (52 m). Average temperature: 77°F (25°C).
Population source: Wikidata (dated census and official estimates), GeoNames. Climate: WorldClim 2.1 normals (1970-2000), NASA POWER. Updated August 2026
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About Rosera
Rosera is a city (subdivision) on the bank of River Budhi Gandak. It is a municipality in Samastipur district in the Indian state of Bihar. Rosera block consists of 48 villages. Rosera is well connected by the rest of the country through railway or road network. Rosera is connected to Begusarai district via SH-55 and Darbhanga district via SH-88 and it's approx 120 km from Capital Patna.
People
Climate
| Population | 31,155 |
| Population Density | 633 / sq mi |
| Elevation | 171 ft (52 m) |
| Coordinates | 25.7549°, 86.0316° |
| Timezone | Asia/Kolkata |
| Country | 🇮🇳 India |
| State / Province | Bihar |
| Average Temperature | 77°F (25°C) |
| January Average | 61°F (16°C) |
| July Average | 84°F (29°C) |
| Annual Precipitation | 42.5 inches (1,079 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Rosera
Rosera is a mid-size city in India (Bihar) with a population of 31,155. The city sits at an elevation of 171 feet (52 meters) above sea level. The average annual temperature is 77°F (25°C). Temperatures range from 61°F in January to 84°F in July. Annual precipitation averages 42.5 inches. The timezone is Asia/Kolkata.
Climate in Rosera
Rosera has an average annual temperature of 25.7°C (78°F). The hottest month is Jun (32.7°C), the coldest is Jan (16°C). Average annual precipitation is 1364 mm.
Temperature
| Annual Average | 77.2°F |
| 43% above India avg | |
| January Average | 61°F (16°C) |
| July Average | 84°F (29°C) |
Geography
| Elevation | 171 ft (52 m) |
| Area | 49.3 sq mi (127.6 km²) |
| Population Density | 633/sq mi |
| Coordinates | 25.7549°N, 86.0316°E |
| Timezone | Asia/Kolkata |
Precipitation & Snow
Air Quality
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1934 | BIHAR-NEPAL, GANGES RIVER | Earthquake | - | 10,600 | 135 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 61°F (16°C) | 0.7 in | Coldest |
| February | 66°F (19°C) | 0.2 in | |
| March | 75°F (24°C) | 0.5 in | |
| April | 84°F (29°C) | 0.5 in | |
| May | 87°F (31°C) | 1.3 in | Warmest |
| June | 87°F (30°C) | 7.0 in | |
| July | 84°F (29°C) | 10.9 in | Wettest |
| August | 84°F (29°C) | 10.7 in | |
| September | 83°F (28°C) | 7.8 in | |
| October | 80°F (27°C) | 2.7 in | |
| November | 71°F (22°C) | 0.2 in | |
| December | 64°F (18°C) | 0.0 in | Driest |
Rosera has a seasonal temperature swing of 26°F / from 61°F in January to 87°F in May. Total annual precipitation is 42.5 inches, with July being the wettest month (10.9") and December the driest (0.0").
Farmers Markets in Rosera
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| fancy market | |||||
| Kushwaha market | |||||
| Suryapura market |
Clinics in Rosera
6 clinics within city radius - OpenStreetMap data
Dentists in Rosera
2 dentists within city radius - OpenStreetMap data
Train Stations in Rosera
2 train stations within city radius - OpenStreetMap data
Stadiums & Teams in Rosera
| Team | League | Division |
|---|---|---|
Airports Near Rosera
5 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Darbhanga Airport | DBR | Medium Airport |
| Muzaffarpur Airport | MZU | Medium Airport |
| Madhubani Airport | - | Small Airport |
| Saharsa Airport | - | Small Airport |
| Ulao Aerodrome | - | Small Airport |
Quick Facts
🇮🇳 About India
Frequently Asked Questions About Rosera
What is the population of Rosera?
Rosera has a population of 31,155 residents and is located in India. The population density is 633 people per square mile, spread across 49.3 square miles.
What is the weather like in Rosera?
Rosera has a warm climate with an average annual temperature of 77°F (25°C). Winter temperatures average 61°F in January, while summers reach an average of 84°F in July. Annual rainfall totals 42.5 inches.
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