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San Guillermo, Philippines
Cagayan Valley · Philippines
San Guillermo is a small town in Cagayan Valley, Philippines with a population of 3,926. Elevation: 335 ft (102 m). Average temperature: 80°F (27°C).
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About San Guillermo
San Guillermo, officially the Municipality of San Guillermo, is a municipality in the province of Isabela, Philippines. According to the 2024 census, it has a population of 21,043 people.
People
Climate
| Population | 3,926 |
| Population Density | 50 / sq mi |
| Elevation | 335 ft (102 m) |
| Coordinates | 16.7254°, 121.8098° |
| Timezone | Asia/Manila |
| Country | 🇵🇭 Philippines |
| State / Province | Cagayan Valley |
| Average Temperature | 80°F (27°C) |
| January Average | 75°F (24°C) |
| July Average | 83°F (28°C) |
| Annual Precipitation | 79.8 inches (2,026 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About San Guillermo
San Guillermo is a small town in Philippines (Cagayan Valley) with a population of 3,926. The city sits at an elevation of 335 feet (102 meters) above sea level. The average annual temperature is 80°F (27°C). Temperatures range from 75°F in January to 83°F in July. Annual precipitation averages 79.8 inches. The timezone is Asia/Manila.
Temperature
| Annual Average | 80.2°F |
| 49% above Philippines avg | |
| January Average | 75°F (24°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 191 days/yr |
Geography
| Elevation | 335 ft (102 m) |
| Area | 78.9 sq mi (204.4 km²) |
| Population Density | 50/sq mi |
| Coordinates | 16.7254°N, 121.8098°W |
| Timezone | Asia/Manila |
Precipitation & Snow
Air Quality
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 4.3 m (14 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1970 | PHILIPPINE SEA | Earthquake | 4.3 m | 15 | 106 km |
| 1990 | W. LUZON ISLAND | Earthquake | 2.0 m | 2,412 | 135 km |
| 1968 | E. LUZON ISLAND | Earthquake | 0.2 m | 270 | 49 km |
| 2022 | N. LUZON ISLAND | Earthquake | 0.1 m | 11 | 138 km |
| 1880 | E. LUZON ISLAND | Eruption + Earthquake | — | 20 | 81 km |
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Ambalatungan Group (100 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ambalatungan Group | Compound | 2,329 m (7,641 ft) | Unknown | 100 km |
| Cagua | Stratovolcano | 1,133 m (3,717 ft) | 1860 | 170 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 2.8 in | Coldest |
| February | 76°F (24°C) | 2.1 in | Driest |
| March | 80°F (27°C) | 2.5 in | |
| April | 83°F (28°C) | 3.2 in | |
| May | 84°F (29°C) | 6.2 in | |
| June | 85°F (29°C) | 5.6 in | Warmest |
| July | 83°F (28°C) | 7.4 in | |
| August | 83°F (28°C) | 8.2 in | |
| September | 82°F (28°C) | 9.2 in | |
| October | 80°F (27°C) | 12.0 in | |
| November | 78°F (26°C) | 12.3 in | Wettest |
| December | 76°F (24°C) | 8.3 in |
San Guillermo has a seasonal temperature swing of 10°F / from 75°F in January to 85°F in June. Total annual precipitation is 79.8 inches, with November being the wettest month (12.3") and February the driest (2.1").
Schools in San Guillermo
36 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Aromin Elementary School | — | — | — | — |
| San Vicente Elementary School | — | — | — | — |
| Diasan Elementary School | — | — | — | — |
| Dicaraoyan Elementary School | — | — | — | — |
| Imelda Marcos High School – Mabbayad Annex | — | — | — | — |
| Mabbayad Elementary School | — | — | — | — |
| Magleticia Elementary School | — | — | — | — |
| Imelda Marcos High School | — | — | — | — |
| Villa Campo Elementary School | — | — | — | — |
| San Guillermo Central School | — | — | — | — |
| Madadamian Elementary School | — | — | — | — |
| Salvacion Elementary School | — | — | — | — |
| Villa Rey Primary School | — | — | — | — |
| San Rafael Primary School | — | — | — | — |
| Guam Elementary School | — | — | — | — |
| Dingading Integrated School | — | — | — | — |
| Palawan Integrated School | — | — | — | — |
| Colorado Integrated School | — | — | — | — |
| San Marcelo Elementary School | — | — | — | — |
| La Suerte Elementary School | — | — | — | — |
| Aringay Primary School | — | — | — | — |
| Narra Elementary School | — | — | — | — |
| Sinalugan Primary School | — | — | — | — |
| Villa Remedios Primary School | — | — | — | — |
| San Francisco Norte Elementary School | — | — | — | — |
| Estrella Primary School | — | — | — | — |
| La Suerte High School | — | — | — | — |
| San Francisco Sur Primary School | — | — | — | — |
| Villa Sanchez Primary School | — | — | — | — |
| Villa Teresita Primary School | — | — | — | — |
| Nakar Primary School | — | — | — | — |
| Anonang Primary School | — | — | — | — |
| San Mariano Sur Primary School | — | — | — | — |
| San Mariano Norte Primary School | — | — | — | — |
| Dipacamo Elementary School | — | — | — | — |
| San Guillermo Vocational and Industrial High School | — | — | — | — |
Radio Stations near San Guillermo
5 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| Star FM Baguio | — | AAC | |
| Love Radio Santiago | — | MP3 64 kbps | |
| Radyo Natin Santiago | — | AAC 64 kbps | |
| Love Radio Santiago (M3U) | — | MP3 64 kbps | |
| Radyo Natin Candon | — | AAC 64 kbps |
Libraries in San Guillermo
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| College of Engineering Library | 0.0 | |||||
| Cyber Library | 0.0 | |||||
| Graduate School Library | 0.0 | |||||
| Main Library | 0.0 | |||||
| Municipal Library | 0.0 |
Farmers Markets in San Guillermo
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Aglipay Public Market | |||||
| Alicia Public Market | |||||
| Cabatuan Public Market | |||||
| Cauayan City Public Market | |||||
| DON ANTONIO A. VALLEJO PUBLIC MARKET | |||||
| Echague Public Market | |||||
| Echague Public Market | |||||
| Saguday Public Market | |||||
| San Guillermo Public Market | |||||
| San Mateo Public Market |
Gas Stations in San Guillermo
3 gas stations within city radius — OpenStreetMap data
Airports Near San Guillermo
10 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Cauayan Airport | CYZ | Medium Airport |
| Bagabag Airport | — | Small Airport |
| Bicobian Bay Airstrip | — | Small Airport |
| Casiguran Airport | CGG | Small Airport |
| Cordon Airport | — | Small Airport |
| Dilasag Airport | DSG | Small Airport |
| Dinapigue Airstrip | — | Small Airport |
| Maconacon Airstrip | — | Small Airport |
| Palanan Community Airport | — | Small Airport |
| Salolwan Airstrip | — | Small Airport |
Churches & Religious Organizations in San Guillermo
1 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Iglesia Watawat ng Lahi Church |
Quick Facts
🇵🇭 About Philippines
Public Holidays in Philippines
18 public holidays this year
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Get ReportFrequently Asked Questions About San Guillermo
What is the population of San Guillermo?
San Guillermo has a population of 3,926 residents and is located in Philippines. The population density is 50 people per square mile, spread across 78.9 square miles.
What is the weather like in San Guillermo?
San Guillermo has a warm climate with an average annual temperature of 80°F (27°C). Winter temperatures average 75°F in January, while summers reach an average of 83°F in July. The area receives 191 sunny days per year. Annual rainfall totals 79.8 inches.