Quilmes Weather in December
What's the weather like in Quilmes (Buenos Aires) in December 2025?
The climate in Quilmes during December can be summarized as warm and a little damp.
December is in the summer in Quilmes and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 27.6°C 81.6°F |
|---|---|
| Nightly temperature | 16.9°C 62.3°F |
| Average temperature | 22.2°C 72°F |
| Daily sunshine | 8.9 hrs |
| Avg rainfall | 91 mm 3.6 ins |
| Rainy days | 9 days |
| Sea temperature | 20.7°C 69.2°F |
| Humidity | 67% |
| Windspeed | 15.5kph 10 mph |
On average December is the 6th wettest month of the year in Quilmes with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.9 hours of sunshine per day.
December temperatures in Quilmes
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 Quilmes in December 2025.
Other monthly averages
Best places to visit in December
Quilmes weather stats
| Hottest month: | January | 28.8°C 83.8°F |
|---|---|---|
| Driest month: | June | 61mm 2.4ins |
| Sunniest month: | February | 9.1hrs |
| Coldest month: | July | 14.6°C 58.3°F |
| Wettest month: | March | 119mm 4.7ins |
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