Cape Town weather in December 2025

Expect daytime maximum temperatures of 24°C in Cape Town, South Africa in December based on long-term weather averages. There are 11 hours of sunshine per day on average with typically 43 mm of rainfall in the month.

  • 24°C maximum daytime temperature in December in Cape Town24
    24°C max day temperature
  • 11 hours of sunshine per day
  • 6 days with some rainfall in December in Cape Town6
    6 days with some rainfall
  • 14°C minimum night-time temperature in December in Cape Town14
    14°C min night temperature
  • 14 hours of daylight per day in December in Cape Town14
    14 hours of daylight per day
  • No heat & humidity in December in Cape Town0
    No heat & humidity
  • 43 mm monthly rainfall in December in Cape Town43
    43 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Cape Town11
    11+ (Extreme) UV index
  • 18°C sea temperature in December in Cape Town18
    18°C sea temperature

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The December weather guide for South Africa (Cape Town) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about South Africa

How hot is it in Cape Town in December?

Daytime temperatures usually reach 24°C in Cape Town in December, falling to 14°C at night.

How sunny is it in Cape Town in December?

There are normally 11 hours of bright sunshine each day in Cape Town in December - that's 74% of daylight hours.

How warm is the sea around Cape Town in December?

The average sea temperature around Cape Town in December is 18°C.

Does it rain in Cape Town in December?

There are usually 6 days with some rain in Cape Town in December and the average monthly rainfall is 43mm.

Cape Town December sunrise & sunset times

Browse the sunrise and sunset times for Cape Town in December 2025. Select a month to view Cape Town sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 05:28 19:43
Tuesday, 16th December 2025 05:30 19:54
Wednesday, 31st December 2025 05:38 20:01

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