Punta Alta Weather in December
What's the weather like in Punta Alta (Buenos Aires) in December 2025?
The climate in Punta Alta during December can be summarized as warm and reasonably dry.
December is in the summer in Punta Alta and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 14°C (57°F) is normal.
| Daytime temperature | 28.7°C 83.7°F |
|---|---|
| Nightly temperature | 14.1°C 57.4°F |
| Average temperature | 21.4°C 70.5°F |
| Daily sunshine | 9.3 hrs |
| Avg rainfall | 61 mm 2.4 ins |
| Rainy days | 8 days |
| Sea temperature | 18.2°C 64.8°F |
| Humidity | 54% |
| Windspeed | 20.2kph 13 mph |
On average December is the 5th wettest month of the year in Punta Alta with around 61mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.3 hours of sunshine per day.
December temperatures in Punta Alta
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Punta Alta in December 2025.
Other monthly averages
Best places to visit in December
Punta Alta weather stats
| Hottest month: | January | 30°C 86°F |
|---|---|---|
| Driest month: | August | 26mm 1ins |
| Sunniest month: | February | 10.2hrs |
| Coldest month: | July | 13°C 55.4°F |
| Wettest month: | March | 91mm 3.6ins |
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