San Justo Weather in December
What's the weather like in San Justo (Entre Ríos) in December 2025?
The climate in San Justo during December can be summarized as hot and a little damp.
December is in the summer in San Justo and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (87°F), whilst at night 17°C (63°F) is normal.
| Daytime temperature | 30.8°C 87.4°F |
|---|---|
| Nightly temperature | 17.2°C 63°F |
| Average temperature | 24°C 75.2°F |
| Daily sunshine | 9.4 hrs |
| Avg rainfall | 97 mm 3.8 ins |
| Rainy days | 8 days |
| Sea temperature | 20.1°C 68.2°F |
| Humidity | 63% |
| Windspeed | 10.8kph 7 mph |
On average December is the 6th driest month of the year in San Justo with around 97mm 3.8 inches of rain making it a a little damp 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 9.4 hours of sunshine per day.
December temperatures in San Justo
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 San Justo in December 2025.
Other monthly averages
Best places to visit in December
San Justo weather stats
| Hottest month: | January | 32.1°C 89.8°F |
|---|---|---|
| Driest month: | July | 57mm 2.2ins |
| Sunniest month: | February | 9.1hrs |
| Coldest month: | June | 17°C 62.6°F |
| Wettest month: | March | 139mm 5.5ins |
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