Vejret i Belfast i august

Belfast i august: behageligt, regnfuldt, med ren luft — et fremragende tidspunkt at tage afsted.

Opdateret september 2026 · klimanormaler fra ERA5-reanalysen

Belfast🇬🇧 United Kingdom · De Britiske Øer · By85
  1. 55jan.
  2. 61feb.
  3. 67mar.
  4. 76apr.
  5. 84maj
  6. 88jun.
  7. 89jul.
  8. 85aug.
  9. 79sep.
  10. 68okt.
  11. 59nov.
  12. 53dec.

Nr. 3 af 12 måneder i Belfast · Nr. 451 af 1413 rejsemål at besøge i august · komfort 85/100 (niveau A)

Dage
20°C
Nætter
13°C
Våde dage
14
Sol
8.9 h
Luftfugtighed
82%
Dagslys
15 h
Belfast, United Kingdom
Foto: Donovan Kelly · Pexels

Noter fra rejsende om Belfast i august

August is among the warmest months here and regulars put it at 16 to 18C, a little under our row's 19.7C, with the streets noticeably busier than in the cold half of the year. On rain they are matter-of-fact rather than apologetic: this is a temperate climate, it rains through the year, and the one item never to leave at home is a rain and wind jacket. Our row is blunter than their word for the north and east coast, relatively dry - 87.2mm across 14.4 days, so rain falls on close to half the days of the month, though 8.9 hours of sun fall inside 14.9 of daylight. The record: 12.5C nights, humidity 82 percent, a 19.6 kph wind and AQI 30.
TheOneThingYouNeverLeaveHome · august · for 3 dage siden · Læs mere på Tripadvisor ↗

Andre måneder i Belfast

Regulars are specific that National Trust properties around the region start reducing their opening hours this month as the summer season winds down, a real planning detail beyond the weather itself for anyone timing day trips out of the city. Our row backs that mild, genuinely wet read, 17.5C over 10.7C nights feeling 9C, with 80.3mm of rain across 12.7 days and humidity at 82 percent. Regulars are consistent the city itself thins out noticeably once summer tourists head home, easier hotel availability a real upside to the increased rain risk. Layers and a proper rain jacket remain the standard advice regardless of which week a visit lands on. The record: 7.3 hours of sun, a 21.5 kph wind and AQI 35.
NationalTrustHoursShrinkThisMonth · september · for 3 dage siden · Læs mere på Tripadvisor ↗
Regulars rate May over Easter here on two counts - better odds on the weather, and a month outside the marching season, so nothing to plan around. They are honest that the odds are only odds: one contributor remembers a grey, cool, wet May, and they describe the local climate as erratic with summers that are mild rather than warm. Our row is the temperate middle of that, 17.2C reading as 15C in an 18.5 kph wind, 8.5C nights, and 51.1mm of rain across 10.7 days. What May reliably gives is 16.1 hours of daylight, which is what makes the coast road north worth a whole day. The record: humidity 78 percent, 10.6 hours of sun and AQI 40.
BetterOddsThanEaster · maj · for 3 dage siden · Læs mere på tripadvisor.co.uk ↗
Belfast regulars answer the June question with a range and a shrug: usually 15 to 22C, and it could be sunny, cloudy or wet, because the weather here is erratic and summers are mild rather than warm. Our row's 19.3C over 11.3C sits in the middle of their range and reads as 18C once the 18.7 kph wind is counted. What they promise instead of warmth is light - at this latitude in June it is not properly dark until around eleven at night, which our row's 17.2 hours of daylight bears out, and it makes long evenings the best part of the day. The packing list never changes: layers, and a mac or a pacamac whatever the month. The record: 74.3mm across 11.8 precipitation days, humidity 79 percent, 10.2 hours of sun and AQI 38.
LightUntilEleven · juni · for 4 dage siden · Læs mere på Tripadvisor ↗
Belfast forum threads describe February as wet and chilly, part of the wider Northern Ireland winter that runs November through February, with typical temperatures cited around 4-8C and posters consistently noting real ice or snow is rare here even in the coldest stretch. The month was called genuinely unpredictable - rain, sleet, snow, gales, frost and sunshine can all show up within the same week, and late February could just as easily bring damp, cold and windy conditions or a mild, sunny day. Posters flagged limited daylight as more of a practical concern than the cold itself, recommending visitors pack for wet weather and plan sightseeing around the shorter days.
CathedralQuarterRegular · februar · for 5 dage siden · Læs mere på Tripadvisor ↗

Tilføj din egen note fra Belfast på kortet.

Klimanormaler for Belfast — august

Dagtemperatur20°C / 67°F😎 behageligt
Nattemperatur13°C / 55°F
Føles som (dag)19°C / 66°F
Nedbør87 mm / 3.4 in🌧 regnfuldt
Regnvejrsdage14 dage
Luftfugtighed82 %💦 meget fugtigt
Dugpunkt12°C / 54°F
Solskin8.9 t/dag
Dagslys14.9 t
Vind20 km/t / 12 mph
Luftkvalitet (US AQI)30🍃 god

Månedsgennemsnit fra ERA5-reanalysen. AQI er det gennemsnitlige amerikanske luftkvalitetsindeks for måneden.

Travlhed i Belfast i august

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.

TravltSummer holidays i United Kingdom, skoleferie på 6 af de markeder, der fylder stedet(anslået)

JFMAMJJASOND

TætpakketTravltSkuldersæsonStille

Bedste måneder for vejret i Belfast

Rangeret efter dette rejsemåls egen klimakomfortscore året igennem — noget andet end, hvor travlt der bliver (se Travlhed ovenfor).

Bedste vejrVejret i Belfast topper juni–august, bedst omkring juli.

august rummer Belfast Mela.

JFMAMJJASOND

Bedste vejrPænt vejrHårdeste vejr

Det sker i Belfast i august

Tilbagevendende sæsonbegivenheder, naturfænomener, lukninger og helligdage — kurateret og med kilder.

  • Festival

    Belfast Mela

    22.–30. aug.Stor festival

    The city's multicultural festival builds over a week in late August around a carnival parade and a day in Botanic Gardens. Free, and the food stalls are the point. Kilde ↗

Det sker rundt om i verden i august →

Lige i nærheden sker der noget

Inden for 300 km fra Belfast — en dagstur eller et kort hop — hvor der sker noget denne måned. Aldrig en del af komfortscoren.

Hvor ligger Belfast?

Indlæser kort…

Belfast i august — ofte stillede spørgsmål

Er august et godt tidspunkt at besøge Belfast?
Belfast i august: behageligt, regnfuldt, med ren luft — et fremragende tidspunkt at tage afsted. Måneden ligger nr. 3 ud af 12 for Belfast på SeasonMaps komfortscore (85/100).
Hvordan er vejret i Belfast i august?
I august har Belfast i gennemsnit en dagtemperatur på 19.7 °C og en nattemperatur på 12.5 °C, med omkring 87.2 mm regn fordelt på cirka 14.4 regnvejrsdage.
Hvordan er luftkvaliteten i Belfast i august?
Belfast har et gennemsnitligt amerikansk luftkvalitetsindeks på omkring 30 i august.

Inden for 300 km: Glasgow's Merchant City Festival, omkring 22. jul. – 3. aug. og Edinburgh's Fringe and International Festival, 7.–31. aug..

Vejret i Belfast i august: 20 °C, 14 regnvejrsdage, 9 t sol | SeasonMap