Weather in Rosario in December
In an average December, Rosario sees a daily high around 29°C and a low around 18°C, based on 1980–2026 of local climate records.
| Average high | 29°C |
|---|---|
| Typical high range | 25°C to 33°C |
| Average low | 18°C |
| Typical low range | 14°C to 21°C |
| Average daily precipitation | 5 mm |
December records
The most extreme December on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total December accumulation.
High
Highest
39°C
2022-12-09
Lowest
18°C
1980-12-19
Low
Highest
26°C
2019-12-28
Lowest
7°C
1999-12-06
Feels-like
Highest
56°C
2012-12-24
Lowest
4°C
1999-12-06
Humidity
Highest
23.3 g/m³
2012-12-06
Lowest
5.7 g/m³
1999-12-06
Wind
Highest
39 km/h
1997-12-14
Lowest
6 km/h
1988-12-23
Gust
Highest
74 km/h
2012-12-25
Lowest
15 km/h
1982-12-24
Precip
Wettest
312 mm
1997
Driest
11 mm
2021
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