Sergio Osmeña Sr, Philippines
Zamboanga Peninsula · Philippines
Sergio Osmeña Sr is a small city in Zamboanga Peninsula, Philippines with a population of 11,190. Elevation: 902 ft (275 m). Average temperature: 73°F (23°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 Sergio Osmeña Sr
Josefina, officially the Municipality of Josefina, is a municipality in the province of Zamboanga del Sur, Philippines. According to the 2024 census, it has a population of 11,190 people, making it the least populated municipality in the province.
People
Climate
| Population | 11,190 |
| Elevation | 902 ft (275 m) |
| Coordinates | 8.1667°, 123.5000° |
| Timezone | Asia/Manila |
| Country | 🇵🇭 Philippines |
| State / Province | Zamboanga Peninsula |
| Average Temperature | 73°F (23°C) |
| January Average | 71°F (22°C) |
| July Average | 74°F (23°C) |
| Annual Precipitation | 108.7 inches (2,762 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Sergio Osmeña Sr
Sergio Osmeña Sr is a small city in Philippines (Zamboanga Peninsula) with a population of 11,190. The city sits at an elevation of 902 feet (275 meters) above sea level. The average annual temperature is 73°F (23°C). Temperatures range from 71°F in January to 74°F in July. Annual precipitation averages 108.7 inches. The timezone is Asia/Manila.
Climate in Sergio Osmeña Sr
Sergio Osmeña Sr has an average annual temperature of 25.9°C (79°F). The hottest month is May (27.2°C), the coldest is Jan (25°C). Average annual precipitation is 2779 mm.
Temperature
| Annual Average | 73.3°F |
| 36% above Philippines avg | |
| January Average | 71°F (22°C) |
| July Average | 74°F (23°C) |
Geography
| Elevation | 902 ft (275 m) |
| Coordinates | 8.1667°N, 123.5000°E |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.0 m (0 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1978 | MINDANAO ISLAND, PHILIPPINES | Earthquake | 0.0 m | - | 121 km |
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Cuernos de Negros (126 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Cuernos de Negros | Complex | 1,862 m (6,109 ft) | Unknown | 126 km |
| Camiguin | Stratovolcano(es) | 1,552 m (5,092 ft) | 1953 | 173 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 71°F (22°C) | 5.4 in | Coldest |
| February | 72°F (22°C) | 3.9 in | Driest |
| March | 73°F (23°C) | 4.7 in | |
| April | 75°F (24°C) | 5.3 in | |
| May | 75°F (24°C) | 10.8 in | Warmest |
| June | 74°F (23°C) | 14.0 in | Wettest |
| July | 74°F (23°C) | 12.2 in | |
| August | 74°F (23°C) | 11.0 in | |
| September | 74°F (23°C) | 11.9 in | |
| October | 73°F (23°C) | 11.5 in | |
| November | 73°F (23°C) | 10.5 in | |
| December | 72°F (22°C) | 7.6 in |
Sergio Osmeña Sr has a seasonal temperature swing of 4°F / from 71°F in January to 75°F in May. Total annual precipitation is 108.7 inches, with June being the wettest month (14.0") and February the driest (3.9").
Schools in Sergio Osmeña Sr
20 public schools (OpenStreetMap data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Gonosan Elementary School | - | - | - | - |
| New Tangub Elementary School | - | - | - | - |
| Balanan Elementary School | - | - | - | - |
| Bag-ong Dalaguete Elementary School | - | - | - | - |
| Lactayan Elementary School | - | - | - | - |
| Panagaan National High School | - | - | - | - |
| Ceferino M. Alcomendras Elementary School | - | - | - | - |
| Compound Elementary School | - | - | - | - |
| Malubo Elementary School | - | - | - | - |
| Tulan Elementary School | - | - | - | - |
| Pilas Elementary School | - | - | - | - |
| Alicia Elementary School | - | - | - | - |
| Lower Dimorok Elementary School | - | - | - | - |
| Dontulan Elementary School | - | - | - | - |
| Dimalinao Elementary School | - | - | - | - |
| Lower Liason Primary School | - | - | - | - |
| Upper Liason Elementary School | - | - | - | - |
| Pelocoban Elementary School | - | - | - | - |
| Bag-ong Kauswagan National High School – Annex | - | - | - | - |
| Bag-ong Kauswagan Primary School | - | - | - | - |
Radio Stations near Sergio Osmeña Sr
1 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Unbox Radio | pop, top40 | MP3 |
Museums in Sergio Osmeña Sr
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Bonifacio Historical Center |
Farmers Markets in Sergio Osmeña Sr
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Aurora Public Market | |||||
| Bonifacio Public Market | |||||
| Dumingag Public Market | |||||
| Midsalip Public Market | |||||
| Old Public Market | |||||
| Sergio Osmeña Sr. Public Market | |||||
| Sominot Public Market | |||||
| Tangub Public Market |
Airports Near Sergio Osmeña Sr
8 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Dipolog Airport | DPL | Medium Airport |
| Labo Airport | OZC | Medium Airport |
| Pagadian Airport | PAG | Medium Airport |
| Balabagan Airport | - | Small Airport |
| Malabang Airport | MLP | Small Airport |
| Malangas Airport | - | Small Airport |
| Maria Cristina (Iligan) Airport | IGN | Small Airport |
| Matling Industrial and Commercial Corporation Airstrip | - | Small Airport |
Quick Facts
🇵🇭 About Philippines
Public Holidays in Philippines
18 public holidays this year
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Get ReportFrequently Asked Questions About Sergio Osmeña Sr
What is the population of Sergio Osmeña Sr?
Sergio Osmeña Sr has a population of 11,190 residents and is located in Philippines..
What is the weather like in Sergio Osmeña Sr?
Sergio Osmeña Sr has a warm climate with an average annual temperature of 73°F (23°C). Winter temperatures average 71°F in January, while summers reach an average of 74°F in July. Annual rainfall totals 108.7 inches.
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