December Weather in Cape Town

Last updated: March 2, 2024

The weather in Cape Town, South Africa, during December is characterized by an average temperature of 19°C (66°F). Highs can soar to 26°C (79°F), while lows may dip to 15°C (59°F). Typically, the humidity level in Cape Town throughout December hovers around 77%.

15°C (59°F)

Minimum temperature

19°C (66°F)

Average temperature

26°C (79°F)

Maximum temperature

77%

Humidity

Precipitation and Sunshine hours

In December, Cape Town averages 26 mm (1.0 inches) of rainfall, typically over the course of 5 rainy days. The month enjoys an average of 14 hours 21 minutes of daylight, with the sun shining for approximately 13 hours 37 minutes each day. Additionally, there is a 60% probability of sunny days during this period.

26 mm (1.0 inches)

Precipitation

5 rainy days

Rainy days

13 hours 37 minutes

Sunshine hours

60%

Chance of sun

UV Index

In December, the UV Index in Cape Town reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 3 6 9 12 14 14 12 9 6 3 2 1
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Cape Town's Climate with Cities Worldwide