Vejret i Johannesburg (Joburg) i december

Johannesburg i december: hedt, regnfuldt — fint, hvis du kan klare 19 regnvejrsdage.

Opdateret september 2026 · klimanormaler fra ERA5-reanalysen

Johannesburg🇿🇦 South Africa · Det østlige Sydafrika & Mozambique · By80
  1. 80jan.
  2. 82feb.
  3. 87mar.
  4. 88apr.
  5. 88maj
  6. 85jun.
  7. 85jul.
  8. 91aug.
  9. 90sep.
  10. 86okt.
  11. 83nov.
  12. 80dec.

Nr. 12 af 12 måneder i Johannesburg · Nr. 454 af 1413 rejsemål at besøge i december · komfort 80/100 (niveau A)

Dage
29°C
Nætter
15°C
Våde dage
19
Sol
10.4 h
Luftfugtighed
68%
Dagslys
14 h
Johannesburg, South Africa
Foto: K · Pexels

Noter fra rejsende om Johannesburg i december

Andre måneder i Johannesburg

Regulars call this close to the perfect month here, springtime warmth without summer's full intensity, though late in the month marks the real start of the rainy season, sporadic thunderstorms typically arriving in the late afternoon or early evening rather than settling in for the day. Our row backs that warm, increasingly showery read, 28.5C over 11.6C nights feeling 9C, with 61.2mm of rain across 8.8 days and humidity down to 48 percent. Regulars are consistent mornings still run cool enough for a jacket even as afternoons turn genuinely warm, a real day-to-night swing worth packing for. This remains a comfortable month overall for exploring before the full rainy season sets in through the following months. The record: 10.9 hours of sun, a 19.7 kph wind and AQI 69.
LateAfternoonStormsSignalSummerComing · oktober · for 4 dage siden · Læs mere på Tripadvisor ↗
May is winter on the highveld and regulars describe the shape of it exactly: sunny days in the low twenties, nights down to about five with frost possible, and almost no rain, because this is a summer-rainfall region. Our row gives 22.3C reading as 19C and 7.5C reading as 4C, with 21.4mm across 2.9 days on very dry air - 58 percent humidity and a dew point of 3.5C. Layers that come off by mid-morning and go back on at four. Anyone doing an early game drive needs more than they expect. The one cost of clear windless winter air is our AQI at 100, climbing towards the year's peak of 109 in June. The record: 9.6 hours of sun and a 13.9 kph wind.
ClearSkiesColdNights · maj · for 4 dage siden · Læs mere på Tripadvisor ↗
Regulars sum up the end of April here in a sentence about footwear: mid-twenties by day and still open-toed weather, except in the evenings and the early mornings. Our row is that exactly - 24.2C days falling to 10.8C nights that feel like 9C. April and May are the tolerable part of the Highveld year, cooler than March and with fewer mosquitoes, and the rain is already thinning ahead of a winter they describe as having virtually none between June and September; ours reads 75.9mm across 8.9 days. The figure worth checking is the air at AQI 80. The record: humidity 68 percent, 9.3 hours of sun and a 15 kph wind.
OpenToedExceptAtTheEdges · april · for 4 dage siden · Læs mere på Tripadvisor ↗
August is the middle of the Highveld winter and regulars call Johannesburg stunning in it: sunshine almost every day and effectively no rain, which our row confirms at 3.1mm across half a precipitation day. The temperature they describe is not a single number but a place - very warm in the sun, cool to cold in the shade, and something to wrap up in the moment the sun goes. Early mornings are cold and late nights bitingly so, while the days themselves run into the mid-20s. Our row is the arithmetic of that: a 23.4C average high over a 5.9C night that feels like 2C, at 41 percent humidity. The record: 10.1 hours of sun, a 19 kph wind and AQI 88.
WarmInSunColdInShade · august · for 5 dage siden · Læs mere på Tripadvisor ↗

Tilføj din egen note fra Johannesburg på kortet.

Klimanormaler for Johannesburg — december

Dagtemperatur29°C / 84°F🥵 hedt
Nattemperatur15°C / 59°F
Føles som (dag)29°C / 84°F
Nedbør138 mm / 5.4 in🌧 regnfuldt
Regnvejrsdage19 dage
Luftfugtighed68 %💧 fugtigt
Dugpunkt11°C / 52°F
Solskin10.4 t/dag
Dagslys13.7 t
Vind18 km/t / 11 mph
Luftkvalitet (US AQI)78🙂 moderat

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

Travlhed i Johannesburg 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.

TætpakketThe city empties, Term 4–1 (summer, year-end) break i South Africa, skoleferie på 4 af de markeder, der fylder stedet(anslået)

JFMAMJJASOND

TætpakketTravltSkuldersæsonStille

Bedste måneder for vejret i Johannesburg

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

Pænt vejrVejret i Johannesburg svinger ikke meget året igennem — komforten holder sig nogenlunde stabil hver måned.

JFMAMJJASOND

Det sker i Johannesburg i december

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

  • Risiko

    Highveld afternoon storms

    15. okt. – 15. mar. · normaltStormsæson

    Storms build over the reef most summer afternoons: hail, lightning and intersections under water for an hour. They pass fast, but they own the four-to-six slot and they flood the same low bridges every year. Kilde ↗

  • Helligdag

    The city empties

    15. dec. – 5. jan. · normaltJul & nytårLukninger

    Johannesburg is one of the few big cities that clears out for the holidays: half of it drives to the coast, the traffic disappears, and a lot of restaurants and workshops shut for three weeks. Kilde ↗

Det sker rundt om i verden i december →

Lige i nærheden sker der noget

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

Hvor ligger Johannesburg?

Indlæser kort…

Johannesburg i december — ofte stillede spørgsmål

Er december et godt tidspunkt at besøge Johannesburg?
Johannesburg i december: hedt, regnfuldt — fint, hvis du kan klare 19 regnvejrsdage. Måneden ligger nr. 12 ud af 12 for Johannesburg på SeasonMaps komfortscore (80/100).
Hvordan er vejret i Johannesburg i december?
I december har Johannesburg i gennemsnit en dagtemperatur på 28.8 °C og en nattemperatur på 15.2 °C, med omkring 137.5 mm regn fordelt på cirka 19.1 regnvejrsdage.
Hvordan er luftkvaliteten i Johannesburg i december?
Johannesburg har et gennemsnitligt amerikansk luftkvalitetsindeks på omkring 78 i december.

Inden for 300 km: Pretoria's The city empties, omkring 15. dec. – 5. jan..

Vejret i Johannesburg (Joburg) i december: 29 °C, 19 regnvejrsdage, 10 t sol | SeasonMap