Cagayan Valley, Philippines
Diffun
Diffun is a town in Cagayan Valley, Philippines. It has a population of about 58,254 (2024). The climate is classified as tropical rainforest (Köppen Af), with .
Now24°C
Best timeJan–Feb · Dec
Population58,254
Local time02:27
16.59° N, 121.51° EElevation 134 mUTC+8 · Philippine Standard Time
Postal code3401October: high / low29° / 23°
Rain this month321mm
Best timeJan–Feb · Dec
Best: Jan–Feb · Dec. Warmth, sunshine and dry days, month by month.
Diffun at a glance
Sunrise · sunset05:49 · 17:2911 h 41 min of daylightThe moon tonightWaxing gibbous86% · Moonrise 15:19Next holiday1 NovemberAll Saints' DayNext eclipse21 Feb 2027Penumbral lunar eclipse
Best time to visitJan–Feb · Dec
The months with the highest weather score
Warmest month32°C
Average high in June
Coolest month19°C
Average low in January
Wettest monthJuly
235 mm of rain
Driest monthFebruary
82 mm of rain
Weather in Diffun
Now and the next ten days. The 14 and 30-day outlooks are one click away.
24°C
Today hour by hourCloudy · wind 5 km/h · humidity 96%
Today23 Oct32°24°
Sat24 Oct32°22°1.5 mm
Sun25 Oct32°24°2.9 mm
Mon26 Oct31°24°5.1 mm
Tue27 Oct31°24°8.3 mm
Wed28 Oct26°23°17.6 mm
Thu29 Oct29°24°11.8 mm
Fri30 Oct30°24°7.9 mm
Sat31 Oct29°24°1.5 mm
When to go to Diffun
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 58 | 56 | 50 | 43 | 30 | 27 | 27 | 25 | 32 | 41 | 48 | 55 |
| High | 25° | 26° | 29° | 31° | 32° | 32° | 31° | 31° | 30° | 29° | 27° | 25° |
| Low | 19° | 20° | 21° | 22° | 24° | 24° | 24° | 24° | 23° | 23° | 22° | 20° |
| Rain (mm) | 94 | 82 | 85 | 122 | 221 | 186 | 235 | 246 | 250 | 321 | 263 | 168 |
| Wet days | 18 | 17 | 14 | 14 | 22 | 26 | 28 | 26 | 26 | 26 | 23 | 25 |
What's on in Diffun
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Nature around Diffun
Wildlife in October
The birds and mammals of Philippines seen most this month, compared with the rest of their year.
The sky over Diffun
Earthquakes around Diffun
The last 30 days within 300 km, and the record since 1950.
Last 30 days5magnitude 2.5+ within 300 kmSince 1950182magnitude 5+ within 150 kmSignificant earthquakes on record70within 300 km
Strongest nearby since 1950
7.7Bongabon 6 km ↗1990 · 107 km
7.6Casiguran 13 km ↖1968 · 64 km
7.4Baler 13 km →1970 · 91 km
7.0Sallapadan 10 km ↗2022 · 127 km
Tropical storms · Diffun
C2Typhoon Matmo (2025)64 km · 119 km/hC1Typhoon Toraji (2024)63 km · 120 km/hC1Typhoon Trami (2024)56 km · 74 km/hC1Typhoon Peipah (2007)87 km · 120 km/hC5Typhoon Cimaron (2006)22 km · 213 km/hC4Typhoon Nanmadol (2004)93 km · 213 km/hC4Typhoon Imbudo (2003)47 km · 167 km/hC5Typhoon Zeb (1998)95 km · 222 km/hTSTropical Storm Penny (1998)85 km · 65 km/hTSTropical Storm Nina (1995)39 km · 65 km/hC4Typhoon Koryn (1993)85 km · 194 km/hC5Typhoon Elsie (1989)11 km · 148 km/hTSTropical Storm Faye (1989)91 km · 111 km/hC1Typhoon Tess (1985)75 km · 130 km/hC4Typhoon Kim (1980)90 km · 130 km/h
Universities and research institutes
Quirino State UniversityUniversity or college · founded 1976
Towns and villages around Diffun
Each with its own page: weather, climate and the best time to visit.
Liwayway0.8 kmDoña Dory Dandan0.9 kmRicarte Norte1.5 kmIsidro Paredes2.4 kmKimmaligong2.5 kmMaria Clara2.5 kmCajel2.7 kmLucban2.8 kmLuttuad3.2 kmRicarte Sur3.2 kmPussuak3.4 kmDoña Imelda3.6 kmRond Baquiran3.8 kmDon Inocencio Ramos4 kmDiego Silang4.7 kmAklan4.8 kmDiego Silang4.9 kmVilla Pascua4.9 kmPlacido5.1 kmGulac5.1 kmDibul5.8 kmAmogawen5.9 kmGuribang6.3 kmPimentel6.3 kmPuzon6.4 kmDon Pedro6.4 kmSan Marcos6.5 kmMuggay6.6 kmBalagbag6.7 kmTapa6.9 kmBannawag7.1 kmLa Paz7.1 kmRafael Palma7.1 kmBanawag7.2 kmCapitol7.3 kmCada Negrito7.3 kmVillarose7.5 kmRicarte7.9 kmRizal8 kmDon Faustino Pagaduan8.1 kmSaguday8.1 kmGuinagat8.2 kmBanigued8.2 kmCannuangan8.3 kmGundaway8.3 kmVilla Cardenas8.4 kmMagsaysay8.5 kmBannawag8.7 kmCabarroguis8.9 kmMacate9 kmBannuag9.3 kmMangandingay9.3 kmSalvacion9.3 kmCampanito9.4 kmZamora9.5 kmSan Juan9.6 kmMagalsin10 kmIfugao Village10 kmBaguio Village10 kmVilla Gamiz11 kmDibul11 kmMalasin11 kmLigaya11 kmBanuar11 kmGundaway11 kmSan Leonardo11 kmSanto Tomas11 kmAglipay11 kmTres Reyes11 kmDon Mariano Perez12 kmDrub13 kmVillamor13 kmAglipay13 kmDagupan13 kmVilla Rose13 kmDumabel14 kmPalacian14 kmGomez14 kmLigaya14 kmBurgos15 km
Diffun from above
Around Diffun6 places to see, do and reach nearby
Postal code
3401
Getting to Diffun
Cauayan AirportCYZ
46 kmTuguegarao AirportTUG
120 kmClark International Airport / Clark Air BaseCRK
186 kmPlaces near Diffun
Places with a climate like Diffun
Matched month by month on temperature, rain and sunshine.
Frequently asked questions
When is the best time to visit Diffun?
Based on 30-year climate normals, January, February and December offer the best balance of comfortable temperatures, low rainfall and sunshine in Diffun.
What is the hottest month in Diffun?
June is the warmest month, with average highs of 32°C and lows of 24°C.
What is the coldest month in Diffun?
January is the coldest month, with average highs of 25°C and lows of 19°C.
What is the rainiest month in Diffun?
July is the wettest month with about 235 mm of precipitation on 28 wet days.
What is the postal code of Diffun?
The postal code of Diffun is 3401.