Vejret i Cardiff i marts
Cardiff i marts: koldt, regnfuldt, med ren luft — et godt tidspunkt at tage afsted.
Opdateret september 2026 · klimanormaler fra ERA5-reanalysen
Nr. 8 af 12 måneder i Cardiff · Nr. 1101 af 1413 rejsemål at besøge i marts · komfort 65/100 (niveau C)
- Dage
- 11°C
- Nætter
- 5°C
- Våde dage
- 14
- Sol
- 6.8 h
- Luftfugtighed
- 82%
- Dagslys
- 12 h

Noter fra rejsende om Cardiff i marts
Andre måneder i Cardiff
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.
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.
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.
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.
Tilføj din egen note fra Cardiff på kortet.
Klimanormaler for Cardiff — marts
Månedsgennemsnit fra ERA5-reanalysen. AQI er det gennemsnitlige amerikanske luftkvalitetsindeks for måneden.
Travlhed i Cardiff i marts
Hvor travlt der er på selve stedet — skoleferier og masseferier, de måneder en redaktør har markeret, og hvor eftertragtet vejret gør dem. Aldrig en del af komfortscoren.
TravltSix Nations match days, skoleferie på 4 af de markeder, der fylder stedet(anslået)
TætpakketTravltSkuldersæsonStille
Bedste måneder for vejret i Cardiff
Rangeret efter dette rejsemåls egen klimakomfortscore året igennem — noget andet end, hvor travlt der bliver (se Travlhed ovenfor).
Pænt vejrVejret i Cardiff topper juni–august, bedst omkring juli.
Bedste vejrPænt vejrHårdeste vejr
Det sker i Cardiff i marts
Tilbagevendende sæsonbegivenheder, naturfænomener, lukninger og helligdage — kurateret og med kilder.
- Festival
Six Nations match days
1. feb. – 20. mar. · normaltSportsbegivenhedTætpakketBook tidligtTwo or three home Saturdays put seventy thousand people inside the city walls and close the streets around the stadium from late morning. Rooms triple and the last trains out are a scrum. Kilde ↗
Lige i nærheden sker der noget
Inden for 300 km fra Cardiff — en dagstur eller et kort hop — hvor der sker noget denne måned. Aldrig en del af komfortscoren.
Hvor ligger Cardiff?
Cardiff i marts — ofte stillede spørgsmål
- Er marts et godt tidspunkt at besøge Cardiff?
- Cardiff i marts: koldt, regnfuldt, med ren luft — et godt tidspunkt at tage afsted. Måneden ligger nr. 8 ud af 12 for Cardiff på SeasonMaps komfortscore (65/100).
- Hvordan er vejret i Cardiff i marts?
- I marts har Cardiff i gennemsnit en dagtemperatur på 11 °C og en nattemperatur på 4.5 °C, med omkring 91.4 mm regn fordelt på cirka 14.1 regnvejrsdage.
- Hvordan er luftkvaliteten i Cardiff i marts?
- Cardiff har et gennemsnitligt amerikansk luftkvalitetsindeks på omkring 35 i marts.
- Sner det i Cardiff i marts?
- Cardiff får omtrent 3.2 cm sne i marts.
Inden for 300 km: Bath's Bath Comedy Festival, omkring 18. mar. – 22. apr. og Bournemouth's Winter waders on Poole Harbour, omkring 15. okt. – 10. mar..