Asturias, Spain
Castrillón
Castrillón is a town in Asturias, Spain, close to the sea. It has a population of about 21,998 (2025). The climate is classified as oceanic (Köppen Cfb), with rain spread through the year and no real dry season.
Now15°C
Best timeJul–Sep
Population21,998
Local time19:34
43.55° N, 5.99° WElevation 113 mUTC+2 · Central European Summer Time
Postal code33450October: high / low19° / 12°
Rain this month125mm
Sea this month18°
Best timeJul–Sep
Best: Jul–Sep. Warmth, sunshine and dry days, month by month.
Castrillón at a glance
Sunrise · sunset08:47 · 19:3110 h 44 min of daylightThe moon tonightWaxing gibbous86% · Moonrise 17:58Next holiday2 NovemberAll Saints' DayNext eclipse21 Feb 2027Penumbral lunar eclipse
Best time to visitJul–Sep
The months with the highest weather score
Warmest month23°C
Average high in August
Coolest month6°C
Average low in January
Wettest monthJanuary
101 mm of rain
Driest monthJuly
53 mm of rain
Warmest sea21°C
August
Monuments nearby10+
3 of them World Heritage
Weather in Castrillón
Now and the next ten days. The 14 and 30-day outlooks are one click away.
15°C
Today hour by hourRain · wind 12 km/h · humidity 62%
Today22 Oct18°9°
Fri23 Oct18°10°1.7 mm
Sat24 Oct19°6°
Sun25 Oct23°13°
Mon26 Oct21°9°
Tue27 Oct23°9°2 mm
Wed28 Oct17°11°
Thu29 Oct23°7°
Fri30 Oct25°11°
Sat31 Oct17°15°9.8 mm
When to go to Castrillón
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 | 37 | 39 | 47 | 51 | 68 | 75 | 81 | 77 | 78 | 62 | 49 | 40 |
| High | 13° | 14° | 15° | 16° | 18° | 20° | 22° | 23° | 22° | 19° | 16° | 14° |
| Low | 6° | 6° | 7° | 8° | 11° | 13° | 15° | 16° | 14° | 12° | 9° | 7° |
| Rain (mm) | 101 | 94 | 91 | 112 | 88 | 68 | 53 | 64 | 79 | 125 | 134 | 120 |
| Wet days | 19 | 15 | 15 | 14 | 11 | 8 | 6 | 8 | 8 | 14 | 19 | 16 |
| Sea | 13° | 13° | 13° | 13° | 15° | 17° | 19° | 21° | 20° | 18° | 16° | 14° |
What's on in Castrillón
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Castrillón
6 km
Palacio Valdés TheatreBuilt 1900
5.7 km
Balsera PalaceBuilt 1917
9.9 km
Church of San Juan Apóstol y EvangelistaBuilt 701
UNESCO6 km
Los Alas ChapelUNESCO5.8 km
Iglesia de Santo Tomás de Cantorbery
5.8 km
Palacio de Valdecarzana, AvilésMuseum3.4 km
Museo de la Mina de Arnao
Museum6.2 km
Oscar Niemeyer International Cultural CentreBuilt 2011Outdoors around Castrillón
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Camping Las GaviotasCamp sites
0.3 kmTorre C.C.I. Oscar NiemeyerViewpoints
0.6 kmParque Acuático de Corvera (PACO)Water parks
0.7 kmLos Balagares GolfGolf courses
1 kmPlane SpottingViewpoints
1.1 kmWeCamp CudilleroCamp sites
1.6 kmNature around Castrillón
Wildlife in October
The birds and mammals of Spain seen most this month, compared with the rest of their year.
The sky over Castrillón
Earthquakes around Castrillón
The last 30 days within 300 km, and the record since 1950.
Last 30 days0magnitude 2.5+ within 300 kmSince 19506magnitude 5+ within 150 kmSignificant earthquakes on record1within 300 km
Strongest nearby since 1950
5.4Becerreá 4 km ↖1997 · 122 km
5.3Becerreá 5 km ↗1997 · 117 km
5.2Navia de Suarna 6 km ←1979 · 108 km
5.1Becerreá 0 km →1997 · 122 km
Towns and villages around Castrillón
Each with its own page: weather, climate and the best time to visit.
La Braña0.6 kmLas Bárzanas1.1 kmLlodares1.2 kmLa Ramera1.7 kmPiedrasblancas1.9 kmSan Adriano2.1 kmMar2.1 kmTeboyas2.2 kmQuiloño2.2 kmLaspra2.2 kmEl Cuadro2.7 kmSanta María del Mar2.7 kmSantiago del Monte2.7 kmPillarno2.7 kmPeñarrey2.7 kmNaveces3 kmLa Campa3.1 kmArnao3.3 kmRomadorio3.4 kmLa Torre3.7 kmCaliero3.9 kmParroquia de Miranda3.9 kmBayas4 kmNavalón4.1 kmLa Ferrería4.2 kmLa Roza4.2 kmSalinas4.4 kmFolgueras4.6 kmFoncubierta4.8 kmVilla4.9 kmHeros4.9 kmPolide5.1 kmLa Corrada5.1 kmMiranda5.1 kmLa Carriona5.1 kmCarbajal5.2 kmEntreviñas5.3 kmRaíces5.4 kmCaseras5.5 kmTrejo5.6 kmAvilés5.6 kmFaedo5.6 kmLloreda5.7 kmViescas5.8 kmRanón5.8 kmIllas5.8 kmPonte5.9 kmSoto del Barco6.4 kmPiniella6.4 kmFriera6.4 kmMolleda6.4 kmCorros6.4 kmPedregal de Taborneda6.5 kmSan Juan de Nieva6.5 kmSan Juan de la Arena6.6 kmPandiello6.8 kmVenero6.9 kmJuncedo-Campo7 kmArgañosa7 kmLa Peral7.2 kmRomió7.2 kmNieva7.4 kmLes Vegues7.4 kmRiberas7.5 kmVillalegre7.6 kmLlaranes7.6 kmSan Esteban de Pravia7.6 kmEl Pino7.7 kmVeneros7.8 kmNavarro7.8 kmSan Sebastián7.8 kmZeluán8 kmCampo de la Iglesia8.1 kmMonterrey8.3 kmLlodero8.3 kmMafalla8.4 kmCorvera de Asturias8.6 kmMarzaniella8.8 kmBarredo8.8 kmMuros de Nalón8.9 km
Castrillón from above
Around Castrillón35 places to see, do and reach nearby
Embalse de TrasonaNature9.3 kmAlvaresNature7.0 kmCave of CandamoNature7.7 kmNoraNature17 kmNarceaNature12 kmCubiaNature17 kmCabo PeñasNature9.0 kmBeach of El Cordial / El RegueroNature4.3 kmAlto de L'AngliruMountain37 kmMonsacroMountain33 kmMonte NarancoMountain21 kmLloe PeakMountain23 kmMount AreoMountain17 kmPalacio Valdés TheatreMonument6.0 kmBalsera PalaceMonument5.7 kmChurch of San Juan Apóstol y EvangelistaMonument9.9 kmLos Alas ChapelMonument6.0 kmIglesia de Santo Tomás de CantorberyMonument5.8 kmPalacio de Valdecarzana, AvilésMonument5.8 kmhistorical site of AvilésMonument5.8 kmpalace of TrasonaMonument9.3 kmMuseo de la Mina de ArnaoMuseum3.4 kmOscar Niemeyer International Cultural CentreMuseum6.2 kmPhilippe Cousteau Anchor MuseumMuseum4.0 kmMuseum of Avilés Urban HistoryMuseum5.9 kmCentro de Interpretación del Cementerio de La CarrionaMuseum4.6 kmVegarrozadasStation0.4 kmPiedras BlancasStation1.8 kmSantiagu'l MonteStation2.9 kmOviedoPlace24 kmAvilésPlace5.6 kmCorvera de AsturiasPlace8.6 kmLlaneraPlace17 kmCarreñoPlace19 kmGozónPlace18 km
Postal code
33450
Getting to Castrillón
Asturias AirportOVD
3.7 kmLeón AirportLEN
110 kmSeve Ballesteros-Santander AirportSDR
176 kmVegarrozadasRailway station
0.4 kmPiedras BlancasRailway station
1.8 kmSantiagu'l MonteRailway station
2.9 kmPlaces near Castrillón
Places with a climate like Castrillón
Matched month by month on temperature, rain and sunshine.
Frequently asked questions
When is the best time to visit Castrillón?
Based on 30-year climate normals, July, August and September offer the best balance of comfortable temperatures, low rainfall and sunshine in Castrillón.
What is the hottest month in Castrillón?
August is the warmest month, with average highs of 23°C and lows of 16°C.
What is the coldest month in Castrillón?
January is the coldest month, with average highs of 13°C and lows of 6°C.
What is the rainiest month in Castrillón?
January is the wettest month with about 101 mm of precipitation on 19 wet days.
How warm is the sea near Castrillón?
The sea is warmest in August at about 21°C and coolest in March at about 13°C.
What is the postal code of Castrillón?
The postal code of Castrillón is 33450.