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Diffun, Philippines
Cagayan Valley · Philippines
Diffun is a small town in Cagayan Valley, Philippines with a population of 0. Elevation: 440 ft (134 m). Average temperature: 80°F (27°C).
Data updated June 2026
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About Diffun
Diffun, officially the Municipality of Diffun, is a municipality in the province of Quirino, Philippines. According to the 2024 census, it has a population of 58,254 people, making it the most populous town in the province.
People
Climate
| Population Density | 0 / sq mi |
| Elevation | 440 ft (134 m) |
| Coordinates | 16.5900°, 121.5057° |
| Timezone | Asia/Manila |
| Country | 🇵🇭 Philippines |
| State / Province | Cagayan Valley |
| Average Temperature | 80°F (27°C) |
| January Average | 71°F (22°C) |
| July Average | 82°F (28°C) |
| Annual Precipitation | 112.3 inches (2,853 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Diffun
Diffun is a small town in Philippines (Cagayan Valley) with a population of 0. The city sits at an elevation of 440 feet (134 meters) above sea level. The average annual temperature is 80°F (27°C). Temperatures range from 71°F in January to 82°F in July. Annual precipitation averages 112.3 inches. The timezone is Asia/Manila.
Temperature
| Annual Average | 79.8°F |
| 48% above Philippines avg | |
| January Average | 71°F (22°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 281 days/yr |
Geography
| Elevation | 440 ft (134 m) |
| Area | 123.6 sq mi (320.1 km²) |
| Population Density | 0/sq mi |
| Coordinates | 16.5900°N, 121.5057°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 | 93 km |
| 1990 | W. LUZON ISLAND | Earthquake | 2.0 m | 2,412 | 107 km |
| 1968 | E. LUZON ISLAND | Earthquake | 0.2 m | 270 | 75 km |
| 2022 | N. LUZON ISLAND | Earthquake | 0.1 m | 11 | 127 km |
| 1880 | E. LUZON ISLAND | Eruption + Earthquake | — | 20 | 75 km |
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Ambalatungan Group (92 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ambalatungan Group | Compound | 2,329 m (7,641 ft) | Unknown | 92 km |
| Arayat | Stratovolcano | 1,026 m (3,366 ft) | Unknown | 175 km |
| Cagua | Stratovolcano | 1,133 m (3,717 ft) | 1860 | 193 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 71°F (22°C) | 2.4 in | Coldest, Driest |
| February | 76°F (24°C) | 2.7 in | |
| March | 79°F (26°C) | 2.5 in | |
| April | 82°F (28°C) | 3.4 in | |
| May | 84°F (29°C) | 6.4 in | Warmest |
| June | 84°F (29°C) | 5.7 in | |
| July | 82°F (28°C) | 7.6 in | |
| August | 82°F (28°C) | 8.4 in | |
| September | 81°F (27°C) | 10.2 in | |
| October | 80°F (26°C) | 10.6 in | Wettest |
| November | 78°F (25°C) | 10.3 in | |
| December | 76°F (24°C) | 7.3 in |
Diffun has a seasonal temperature swing of 13°F / from 71°F in January to 84°F in May. Total annual precipitation is 77.5 inches, with October being the wettest month (10.6") and January the driest (2.4").
Schools in Diffun
25 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Isidro Paredes Elementary School | — | — | — | — |
| La Paz Elementary School Extension Annex | — | — | — | — |
| Rizal Elementary School | — | — | — | — |
| Lower Gabriela Elementary School | — | — | — | — |
| Bannawag Elementary School | — | — | — | — |
| San Isidro Elementary School | — | — | — | — |
| Liwanag Primary School | — | — | — | — |
| Ammogaoen Elementary School | — | — | — | — |
| Pimentel Elementary School | — | — | — | — |
| Diego Silang Elementary School | — | — | — | — |
| Upper Gabriela Integrated School | — | — | — | — |
| Maria Clara Elementary School | — | — | — | — |
| Pallutan Primary School | — | — | — | — |
| Diffun Central School - Integrated SPED Center | — | — | — | — |
| Villa Pascua Elementary School | — | — | — | — |
| Luttuad Elementary School | — | — | — | — |
| Cajel Elementary School | — | — | — | — |
| Liwayway Elementary School | — | — | — | — |
| Diffun High School | — | — | — | — |
| Andres Bonifacio Elementary School | — | — | — | — |
| Dumanisi Integrated School | — | — | — | — |
| Diffun West Central School | — | — | — | — |
| San Isidro Integrated School | — | — | — | — |
| Gulac Integrated School | — | — | — | — |
| Ricarte Norte Elementary School | — | — | — | — |
Radio Stations near Diffun
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 |
Museums in Diffun
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Balay ti Santiago |
Libraries in Diffun
| 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 | |||||
| Quirino Provincial Library | 0.0 |
Farmers Markets in Diffun
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Aglipay Public Market | |||||
| Alicia Public Market | |||||
| Cabarroguis Public Market | |||||
| Cordon Public Market | |||||
| Diadi Public Market | |||||
| DON ANTONIO A. VALLEJO PUBLIC MARKET | |||||
| Echague Public Market | |||||
| Echague Public Market | |||||
| Flea Market | |||||
| Maddela Public Market | |||||
| Ramon Isabela Public Market | |||||
| Saguday Public Market |
Cafes in Diffun
1 cafes within city radius — OpenStreetMap data
Gas Stations in Diffun
2 gas stations within city radius — OpenStreetMap data
Airports Near Diffun
6 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Cauayan Airport | CYZ | Medium Airport |
| Bagabag Airport | — | Small Airport |
| Casiguran Airport | CGG | Small Airport |
| Cordon Airport | — | Small Airport |
| Dilasag Airport | DSG | Small Airport |
| Lepanto Mines Airstrip | — | Small Airport |
Churches & Religious Organizations in Diffun
1 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Locale of Gabriela Silang |
Quick Facts
🇵🇭 About Philippines
Public Holidays in Philippines
18 public holidays this year
Frequently Asked Questions About Diffun
What is the weather like in Diffun?
Diffun has a warm climate with an average annual temperature of 80°F (27°C). Winter temperatures average 71°F in January, while summers reach an average of 82°F in July. The area receives 281 sunny days per year, well above the national average of 205. Annual rainfall totals 112.3 inches.