SeasonScore
Johannesburg, South Africa
Photo: Dylanharbour · CC BY-SA 3.0

South Africa

Johannesburg in December

☀️ Summer

Pleasant and often rainy.

🎒 Pack: compact umbrella or rain jacket

Best months: Sep (8.9), Oct (8.8), Jan (8.7)

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Why December scores 8.6What goes into the score

How it works
🌡️ 26° / 15°C🌧️ 130 mm💧 dew pt 12°🍃 PM2.5 28
  • Weather comfort9.1
    • ✓Comfortable temperatures (26°C highs / 15°C lows)
    • ✓Comfortable humidity (dew point 12.3°C)
    • !Wet: ~130 mm rain, ~3 heavy-rain days
  • Air quality6.7
    • !Elevated (PM2.5 ~28 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.0
    • ·Increased caution
Compare monthsPut December side by side with another month
DecSep
Score8.6 Excellent8.9 Excellent
Season☀️ Summer🌷 Spring
High / low26° / 15°24° / 10°
Rain130 mm16 mm
Humiditydew pt 12°dew pt 1°
PM2.528 µg/m³26 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Johannesburg weather-station normals. Rainfall: Johannesburg weather-station normals (national met service).

Holidays & crowdsDecember 2026

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Christmas Day 25–27 Dec · 3 days off in a row

Other public holidays: Day of Reconciliation (16 Dec)

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore JohannesburgEvents, sights, food & souvenirs

Check event dates locally

South Africa's largest city and economic hub, visited for apartheid history, Soweto, galleries and as a gateway to safaris.

Events in December

No major events on our calendar for December.

Coming up later

Freedom DayEvery year27 April every year

Public holiday marking South Africa's first democratic election in 1994.

Why go: Some businesses close; museums like the Apartheid Museum are especially relevant.

Where: Nationwide

Heritage DayEvery year24 September every year

Public holiday celebrating South Africa's cultures, popularly called 'Braai Day'.

Why go: Expect barbecues and cultural events around the city.

Where: Nationwide

Jacaranda bloomingDate variesUsually October to November

Streets turn purple as jacaranda trees flower.

Why go: Peak bloom lasts only a few weeks.

Where: Northern suburbs and nearby Pretoria

Plan this tripTickets, data and transfers for Johannesburg

Airport transfer Kiwitaxi

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