Vejret i London i december

London i december: koldt, lidt regn, med ren luft — et jævnt tidspunkt at tage afsted.

Opdateret september 2026 · klimanormaler fra ERA5-reanalysen

London🇬🇧 United Kingdom · De Britiske Øer · By56
  1. 54jan.
  2. 63feb.
  3. 69mar.
  4. 79apr.
  5. 86maj
  6. 91jun.
  7. 94jul.
  8. 93aug.
  9. 84sep.
  10. 73okt.
  11. 61nov.
  12. 56dec.

Nr. 11 af 12 måneder i London · Nr. 1051 af 1413 rejsemål at besøge i december · komfort 56/100 (niveau D)

Dage
10°C
Nætter
5°C
Våde dage
12
Sol
2.8 h
Luftfugtighed
89%
Dagslys
8 h
London, United Kingdom
Foto: Gianluca Pugliese · Pexels

Sådan er december i London

Short grey days and a crowded, lit-up centre, followed by a city that empties completely between Christmas and New Year.

festivallow season

sikkerhed: medium

Noter fra rejsende om London i december

London's December threads settle on an average around 6°C, a high chance of rain, and darkness closing in by about 4pm. Regulars rate it milder than January or February, and they're clear about timing: the Christmas feel is best from roughly 1 to 21 December. After that it turns awkward — no public transport on the 25th, shops shut, many attractions closed, and Christmas Day meals priced accordingly.
Tripadvisor community · december · for 7 dage siden · Læs mere på Tripadvisor ↗

Andre måneder i London

Regulars are candid that recent early-September stretches have run warm and sunny, but are careful to add that's no guarantee for any given year - the month can just as easily turn wet, windy and chilly. Our row backs the moderate average sitting between those extremes, 20.7C over 12.3C nights, with 56.2mm of rain across 10.6 days. Regulars picked this month specifically expecting lighter crowds than July or August alongside reasonably decent weather, and are consistent that layering plus an umbrella and cardigan for cooler evenings is the standard advice regardless of how the daytime weather turns out. The record: humidity 78 percent, 7.8 hours of sun, a 19 kph wind and AQI 46.
PastYearsWarmDoesNotGuaranteeThisOne · september · for 3 dage siden · Læs mere på Tripadvisor ↗
Asked what to pack for late May, regulars give the only honest English answer: wet, dry, chilly, warm and sunny are all possible, so the list is layers, a light waterproof and shoes that will take five or six miles a day on uneven ground. Our row lands mild rather than warm - 18.9C reading as 17C in an 18.3 kph wind, over 9.8C nights - with 53.4mm of rain across 10 days, which is a shower every third day rather than a wet month. What May really offers is length: 15.6 hours of daylight with 10.5 of sun. The gardens are the reason people come now, and the last week of the month is also the dearest. The record: humidity 74 percent, a dew point of 7.8C and AQI 46.
AllFiveOutcomesArePossible · maj · for 3 dage siden · Læs mere på Tripadvisor ↗
London-forum threads on August are candid that it's the year's peak for crowds - school holidays fill the museums and attractions with families - though several posters note the weather itself runs milder than June or July, without June's harder sun. The catch more than one mentions: much of the city, from shops to older hotels, still doesn't have air conditioning, so a warm spell is felt more than the numbers alone suggest. August's record: 23.7C days, 14.8C nights, 53mm of rain across nine and a half days, 9.7 hours of sun and a clean AQI of 41 - comfortable weather, uncomfortable queues.
SouthBankRegular · august · for 4 dage siden · Læs mere på Tripadvisor ↗
London regulars are unanimous that January is “cold and, at times, wet” rather than dramatic — expect “0°C and 10°C,” “damp, grey weather rather than freezing cold,” and snow that “never falls properly... when it does, it's over within hours.” The advice is layering over a full parka: warm coat, hat, scarf, gloves, with snow boots only needed if a forecast actually predicts sub-zero days. The upside forum posters keep repeating: attractions stay open, queues vanish, and hotel prices drop. Our record matches the “cold, not brutal” read: 7.4°C days, 1.7°C nights, 10.6 rain days and just 1.7cm of snow for the month.
Tripadvisor community · januar · for 5 dage siden · Læs mere på Tripadvisor ↗

Noterne for hele året findes på oversigten over London. Tilføj din egen note fra London på kortet.

Klimanormaler for London — december

Dagtemperatur10°C / 50°F🧥 koldt
Nattemperatur5°C / 41°F
Føles som (dag)6°C / 43°F
Nedbør65 mm / 2.5 in🌦 lidt regn
Regnvejrsdage12 dage
Luftfugtighed89 %💦 meget fugtigt
Dugpunkt5°C / 42°F
Solskin2.8 t/dag
Dagslys7.9 t
Vind22 km/t / 14 mph
Snefald1.9 cm / 0.7 in
Luftkvalitet (US AQI)37🍃 god

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

Travlhed i London i december

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.

Stilleredaktionens stille måned, Christmas week, Christmas holidays i United Kingdom

JFMAMJJASOND

TætpakketTravltSkuldersæsonStille

Bedste måneder for vejret i London

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

Hårdeste vejrVejret i London topper juni–august, bedst omkring juli.

JFMAMJJASOND

Bedste vejrPænt vejrHårdeste vejr

Det sker i London i december

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

  • Helligdag

    Christmas week

    24. dec. – 1. jan.Jul & nytårLukninger

    No trains at all on Christmas Day and a skeleton service after it. The centre is lit and crowded up to the 24th, then the city empties completely for a week. Kilde ↗

Det sker rundt om i verden i december →

Lige i nærheden sker der noget

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

Hvor ligger London?

Indlæser kort…

London i december — ofte stillede spørgsmål

Er december et godt tidspunkt at besøge London?
London i december: koldt, lidt regn, med ren luft — et jævnt tidspunkt at tage afsted. Måneden ligger nr. 11 ud af 12 for London på SeasonMaps komfortscore (56/100).
Hvordan er vejret i London i december?
I december har London i gennemsnit en dagtemperatur på 10 °C og en nattemperatur på 5.1 °C, med omkring 64.6 mm regn fordelt på cirka 11.6 regnvejrsdage.
Hvordan er luftkvaliteten i London i december?
London har et gennemsnitligt amerikansk luftkvalitetsindeks på omkring 37 i december.
Sner det i London i december?
London får omtrent 1.9 cm sne i december.

Inden for 300 km: Brighton's Starling murmurations, omkring 1. nov. – 28. feb. og Cambridge's Mill Road Winter Fair, omkring 1.–8. dec..

Vejret i London i december: 10 °C, 12 regnvejrsdage, 3 t sol | SeasonMap