Buenos Aires weather in December 2021

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28
28°C max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
18
18°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
92
92 mm of monthly rainfall
11
11+ (Extreme) UV index
23
23°C sea temperature

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The December weather guide for Buenos Aires, Argentina 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.

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How hot is it in Buenos Aires in December?

Daytime temperatures usually reach 28°C in Buenos Aires in December with moderate heat and humidity, falling to 18°C at night.

How sunny is it in Buenos Aires in December?

There are normally 8 hours of bright sunshine each day in Buenos Aires in December - that's 57% of daylight hours.

How warm is the sea around Buenos Aires in December?

The average sea temperature around Buenos Aires in December is 23°C.

Does it rain in Buenos Aires in December?

There are usually 9 days with some rain in Buenos Aires in December and the average monthly rainfall is 92mm.

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

Buenos Aires sunrise & sunset times for December 2021

Browse the sunrise and sunset times for Buenos Aires in December 2021. Select a month to view Buenos Aires sunrise & sunset times for the next 12 months.

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