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Buin, Papua New Guinea
Bougainville · Papua New Guinea
Buin is a small town in Bougainville, Papua New Guinea with a population of 750. Elevation: 141 ft (43 m). Average temperature: 80°F (27°C).
Data updated June 2026
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About Buin
Buin is a town on Bougainville Island, and the capital of the South Bougainville District, in the Autonomous Region of Bougainville, in eastern Papua New Guinea. The island is in the northern Solomon Islands Archipelago of the Melanesia region, in the South Pacific Ocean.
People
Climate
| Population | 750 |
| Population Density | 2 / sq mi |
| Elevation | 141 ft (43 m) |
| Coordinates | -6.7486°, 155.6915° |
| Timezone | Pacific/Bougainville |
| Country | 🇵🇬 Papua New Guinea |
| State / Province | Bougainville |
| Average Temperature | 80°F (27°C) |
| January Average | 82°F (28°C) |
| July Average | 79°F (26°C) |
| Annual Precipitation | 144.1 inches (3,660 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Buin
Buin is a small town in Papua New Guinea (Bougainville) with a population of 750. The city sits at an elevation of 141 feet (43 meters) above sea level. The average annual temperature is 80°F (27°C). Temperatures range from 82°F in January to 79°F in July. Annual precipitation averages 144.1 inches. The timezone is Pacific/Bougainville.
Temperature
| Annual Average | 80.4°F |
| 49% above Papua New Guinea avg | |
| January Average | 82°F (28°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 92 days/yr |
Geography
| Elevation | 141 ft (43 m) |
| Area | 316.6 sq mi (820.0 km²) |
| Population Density | 2/sq mi |
| Coordinates | -6.7486°N, 155.6915°W |
| Timezone | Pacific/Bougainville |
Precipitation & Snow
Air Quality
Tsunami History
7 tsunamis recorded within 500 km. Highest wave on record: 2.3 m (8 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1974 | SOLOMON ISLANDS | Earthquake | 2.3 m | — | 73 km |
| 1975 | SOLOMON SEA | Earthquake | 2.0 m | — | 73 km |
| 1974 | SOLOMON ISLANDS | Earthquake | 1.5 m | — | 87 km |
| 1959 | SOLOMON ISLANDS | Earthquake | 1.0 m | — | 90 km |
| 2014 | SOLOMON SEA | Earthquake | 0.1 m | — | 74 km |
| 2017 | BOUGAINVILLE ISLAND | Earthquake | 0.0 m | 3 | 80 km |
| 1955 | SOLOMON SEA | Earthquake | — | — | 17 km |
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Loloru (27 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Loloru | Pyroclastic shield | 1,887 m (6,191 ft) | -1050 | 27 km |
| Bagana | Lava cone | 1,855 m (6,086 ft) | 2020 | 87 km |
| Billy Mitchell | Pyroclastic shield | 1,544 m (5,066 ft) | 1580 | 89 km |
| Simbo | Stratovolcano(es) | 335 m (1,099 ft) | 1910 | 194 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 82°F (28°C) | 10.8 in | Warmest |
| February | 81°F (27°C) | 9.8 in | |
| March | 81°F (27°C) | 13.8 in | |
| April | 81°F (27°C) | 10.8 in | |
| May | 81°F (27°C) | 9.5 in | |
| June | 80°F (26°C) | 12.2 in | |
| July | 79°F (26°C) | 19.5 in | Coldest, Wettest |
| August | 79°F (26°C) | 14.3 in | |
| September | 80°F (26°C) | 12.6 in | |
| October | 80°F (27°C) | 11.2 in | |
| November | 81°F (27°C) | 10.7 in | |
| December | 81°F (27°C) | 9.0 in | Driest |
Buin has a seasonal temperature swing of 2°F / from 79°F in July to 82°F in January. Total annual precipitation is 144.1 inches, with July being the wettest month (19.5") and December the driest (9.0").
Schools in Buin
12 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Laguai Primary School | — | — | — | — |
| Malabita Primary School | — | — | — | — |
| Tantareki Primary School | — | — | — | — |
| Muguai Primary School | — | — | — | — |
| Laitaro Community School | — | — | — | — |
| Kanauro Primary School | — | — | — | — |
| Buin High School | — | — | — | — |
| Kikimogu Primary School | — | — | — | — |
| Mamaromino Primary School | — | — | — | — |
| Kamoru Primary School | — | — | — | — |
| Kipau Primary School | — | — | — | — |
| Lumore Primary & Elementary School | — | — | — | — |
Farmers Markets in Buin
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Buin Market |
Airports Near Buin
10 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Arawa Airport | RAW | Small Airport |
| Aropa Airport | KIE | Small Airport |
| Ballalae Airport | BAS | Small Airport |
| Basikuna Airstrip | — | Small Airport |
| Buin Airport | UBI | Small Airport |
| Choiseul Bay Airport | CHY | Small Airport |
| Karato Airport | KAF | Small Airport |
| Mono Airport | MNY | Small Airport |
| Tonu Airport | TON | Small Airport |
| Torokina Airport | TOK | Small Airport |
Quick Facts
🇵🇬 About Papua New Guinea
Volcanoes Near Buin
Public Holidays in Papua New Guinea
11 public holidays this year
Frequently Asked Questions About Buin
What is the population of Buin?
Buin has a population of 750 residents and is located in Papua New Guinea. The population density is 2 people per square mile, spread across 316.6 square miles.
What is the weather like in Buin?
Buin has a warm climate with an average annual temperature of 80°F (27°C). Winter temperatures average 82°F in January, while summers reach an average of 79°F in July. The area receives 92 sunny days per year, below the national average of 205. Annual rainfall totals 144.1 inches.