December Weather in Buenos Aires

Last updated: March 2, 2024

The weather in Buenos Aires, Peru, during December is characterized by an average temperature of 23°C (73°F). Highs can soar to 31°C (87°F), while lows may dip to 16°C (62°F). Typically, the humidity level in Buenos Aires throughout December hovers around 86%.

16°C (62°F)

Minimum temperature

23°C (73°F)

Average temperature

31°C (87°F)

Maximum temperature

86%

Humidity

Precipitation and Sunshine hours

In December, Buenos Aires averages 87 mm (3.4 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 24 minutes of daylight, with the sun shining for approximately 9 hours 28 minutes each day. Additionally, there is a 22% probability of sunny days during this period.

87 mm (3.4 inches)

Precipitation

15 rainy days

Rainy days

9 hours 28 minutes

Sunshine hours

22%

Chance of sun

UV Index

In December, the UV Index in Buenos Aires 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 13 11 7 4 1 1 0
Exposure Low Moderate High VeryHigh Extreme High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 25 min 30 min 45 min

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