Bal-os, Philippines
Central Visayas · Philippines
Bal-os is a mid-size city in Central Visayas, Philippines with a population of 30,018. Elevation: 59 ft (18 m). Average temperature: 80°F (27°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 Bal-os
Basay, officially the Municipality of Basay, is a municipality in the province of Negros Oriental, Philippines. According to the 2024 census, it has a population of 30,018 people.
People
Climate
| Population | 30,018 |
| Population Density | 480 / sq mi |
| Elevation | 59 ft (18 m) |
| Coordinates | 9.4416°, 122.6257° |
| Timezone | Asia/Manila |
| Country | 🇵🇭 Philippines |
| State / Province | Central Visayas |
| Average Temperature | 80°F (27°C) |
| January Average | 79°F (26°C) |
| July Average | 80°F (27°C) |
| Annual Precipitation | 99.3 inches (2,522 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Bal-os
Bal-os is a mid-size city in Philippines (Central Visayas) with a population of 30,018. The city sits at an elevation of 59 feet (18 meters) above sea level. The average annual temperature is 80°F (27°C). Temperatures range from 79°F in January to 80°F in July. Annual precipitation averages 99.3 inches. The timezone is Asia/Manila.
Climate in Bal-os
Bal-os has an average annual temperature of 27.8°C (82°F). The hottest month is May (29.1°C), the coldest is Jan (26.7°C). Average annual precipitation is 2012 mm.
Temperature
| Annual Average | 80.4°F |
| 49% above Philippines avg | |
| January Average | 79°F (26°C) |
| July Average | 80°F (27°C) |
Geography
| Elevation | 59 ft (18 m) |
| Area | 62.6 sq mi (162.0 km²) |
| Population Density | 480/sq mi |
| Coordinates | 9.4416°N, 122.6257°E |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2012 | TANON STRAIT | Earthquake | 5.0 m | 51 | 89 km |
| 1978 | MINDANAO ISLAND, PHILIPPINES | Earthquake | 0.0 m | - | 135 km |
| 1948 | SULU SEA | Earthquake | - | 74 | 148 km |
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Cuernos de Negros (63 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Cuernos de Negros | Complex | 1,862 m (6,109 ft) | Unknown | 63 km |
| Kanlaon | Stratovolcano | 2,435 m (7,989 ft) | 2017 | 121 km |
| Mandalagan | Complex | 1,885 m (6,184 ft) | Unknown | 151 km |
| Silay | Stratovolcano | 1,510 m (4,954 ft) | Unknown | 162 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 1.8 in | Coldest |
| February | 79°F (26°C) | 0.9 in | Driest |
| March | 81°F (27°C) | 1.4 in | |
| April | 82°F (28°C) | 2.6 in | |
| May | 83°F (28°C) | 5.7 in | Warmest |
| June | 81°F (27°C) | 11.8 in | |
| July | 80°F (27°C) | 17.5 in | Wettest |
| August | 80°F (27°C) | 17.1 in | |
| September | 80°F (27°C) | 15.0 in | |
| October | 80°F (27°C) | 13.8 in | |
| November | 80°F (27°C) | 7.8 in | |
| December | 80°F (26°C) | 4.0 in |
Bal-os has a seasonal temperature swing of 4°F / from 79°F in January to 83°F in May. Total annual precipitation is 99.3 inches, with July being the wettest month (17.5") and February the driest (0.9").
Schools in Bal-os
11 public schools (OpenStreetMap data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Bal-os National High School | - | - | - | - |
| Maglinao National High School | - | - | - | - |
| Bongalonan Elementary School | - | - | - | - |
| Monsale Elementary School | - | - | - | - |
| Cabatuanan Elementary School | - | - | - | - |
| Tiabanan Valley Elementary School | - | - | - | - |
| Datag Elementary School | - | - | - | - |
| Cabalayongan Elementary School | - | - | - | - |
| Cabigti-an Elementary School | - | - | - | - |
| Maglinao Elementary School | - | - | - | - |
| Maatop Elementary School | - | - | - | - |
Farmers Markets in Bal-os
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Basay Public Market | |||||
| Bayawan Public Market | |||||
| Cubay Flea Market | |||||
| Hinoba-an Public Market |
Airports Near Bal-os
5 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Sibulan Airport | DGT | Medium Airport |
| Alvarez Airport | - | Small Airport |
| Basay Emergency Airport | - | Small Airport |
| Sipalay (San Jose) Airport | - | Small Airport |
| Tambo Airport | - | Small Airport |
Quick Facts
🇵🇭 About Philippines
Public Holidays in Philippines
18 public holidays this year
Frequently Asked Questions About Bal-os
What is the population of Bal-os?
Bal-os has a population of 30,018 residents and is located in Philippines. The population density is 480 people per square mile, spread across 62.6 square miles.
What is the weather like in Bal-os?
Bal-os has a warm climate with an average annual temperature of 80°F (27°C). Winter temperatures average 79°F in January, while summers reach an average of 80°F in July. Annual rainfall totals 99.3 inches.
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