Clima en Cardiff mes a mes
La mejor época para visitar Cardiff es de junio a agosto — 91/100 en julio, 22°C y 12 días de lluvia. La mejor temporada es el verano, de junio a agosto (89/100 de media).
El peor mes es diciembre, con 51/100 — frío, lluvioso, aire limpio. Ver diciembre →
Actualizado: septiembre de 2026 · normales climáticas del reanálisis ERA5
¿Planeas un viaje más amplio? Mejor época para visitar Reino Unido →
Mejor temporada: de junio a agosto (89/100 de media) · peor mes: diciembre (51/100)
- Días
- 22°C
- Noches
- 14°C
- Días de lluvia
- 12
- Sol
- 10.9 h
- Humedad
- 77%
- Horas de luz
- 16 h

Cardiff, mes a mes
Puntuación de confort sobre 100 para el tipo de viaje que mejor le va a Cardiff; la máxima media, los días de lluvia y las horas de sol diarias según las normales climáticas, y cuánta gente suele haber.
Qué hay en Cardiff a lo largo del año
Festivales, espectáculos naturales, festivos y las temporadas que conviene vigilar, seleccionados y con fuente. Las páginas de cada mes tienen el detalle.
- febrero
- Six Nations match days1 Feb – 20 Mar (normalmente)Festival
- abril
- Children's Literature Festival18–30 Abr (normalmente)Festival
- junio
- Tafwyl15–25 Jun (normalmente)Festival
- julio
- Cardiff Food and Drink Festival1–12 Jul (normalmente)Festival
- octubre
- Cardiff Half Marathon1–12 Oct (normalmente)Festival
- noviembre
- Autumn internationals1–30 Nov (normalmente)Festival
- Cardiff Winter Wonderland10 Nov – 5 Ene (normalmente)Apertura
Afluencia en Cardiff en julio
Cuánta gente hay en el propio lugar: vacaciones escolares y masivas, los meses que marcó el editor y cuánto atrae su clima. Nunca cuenta en la puntuación de confort.
Máxima afluenciaCardiff Food and Drink Festival, Summer holidays en Reino Unido, vacaciones escolares en 6 de los mercados que lo llenan(estimado)
Máxima afluenciaConcurridoTemporada mediaTranquilo
Conviene saber antes de ir a Cardiff
Experiencias reales de los propios relatos de viajeros, citadas con un enlace al original.
practical
We visited Cardiff Castle midweek during term time specifically to dodge the weekend and school-holiday crowds, and the quieter pace let us actually take in how strange the layering of history is here, a Roman fort becoming a Norman keep becoming a Victorian Gothic fantasy on the exact same site. We downloaded the free castle app for a self-guided audio tour rather than paying for the official guided option, and it covered everything we wanted to know. Climbing the keep first, while our legs were still fresh, gave us the best rooftop views before we tackled the Bute Apartments, each room decorated in its own elaborate Victorian theme. We budgeted a full four hours and used every minute of it.
Notas de viajeros sobre Cardiff
Lo que cuenta la gente que ha estado allí: primero las notas válidas todo el año y después, mes a mes.
Forum posters describe Cardiff's sheltered position on the Bristol Channel as giving it one of the milder climates in the UK, without the temperature extremes some other parts of Britain see, and note that snow in the city itself is rare even in January - it's much more likely up in the higher elevations of the Brecon Beacons. Posters are consistent that mild and wet describes a typical south Wales January far better than cold and snowy, with most of the region's heaviest rain actually concentrated in the October-through-January stretch. Posters flag the short winter days as a real factor, with darkness for around 15 hours. Posters generally rate Cardiff as a fine January destination for its castle, museums and Cardiff Bay, while noting that bus service to surrounding holiday areas runs more limited this time of year than in peak season.
Forum posters describe February across Wales as starting cold, dark and potentially stormy, typically settling somewhat in the second half of the month, with rain and frost likely and snow a real possibility in places. Posters specifically note that Cardiff's sheltered position on the Bristol Channel spares it the extremes seen elsewhere in Wales, making it one of the UK's milder cities where snow stays rare even so - winters here run wet and raw rather than bitterly cold. Posters consistently recommend a hat over an umbrella given how often wind drives the rain sideways, alongside waterproof shoes and thick socks. Posters generally rate February as damp, blustery but comparatively mild for Cardiff specifically relative to the rest of Wales, workable with solid waterproof gear.
The forum's honest summary of a Cardiff July is that it could be very hot, could be chilly, or could rain without stopping — Welsh weather being "entirely unpredictable" — but they rate July as the more reliable month than August if the dates are yours to choose, particularly for hiking. What July reliably is not is oppressive: averages sit near 20°C, which regulars count as an advantage over Mediterranean destinations in high summer. Rain lands on around a dozen days across the month, so the standing packing advice is light summer clothes plus a thin sweater and a light waterproof.
Cardiff forum regulars call August the hottest stretch of the year locally but rarely an extreme one: “on occasion can be hot, but rarely uncomfortably so,” with Cardiff singled out as one of the mildest cities in the UK, generally spared the heavier rainfall that hits Wales's upland areas. When rain does come it's “more likely to be light rain or drizzle” than a proper downpour, so a light rain jacket covers most days rather than full waterproofs, though regulars still pack wellies just in case. The one genuine crowd risk: on a rare hot August weekend, beaches fill up fast and parking gets difficult. Our record: 20°C days, 14.3°C nights, 12.2 rain days and a 19.1°C sea — mild rather than hot, matching the “rarely uncomfortably warm” read closely.
Añade tu propia nota desde la ficha de Cardiff en el mapa.