December weather in Rosario, Argentina
Averages from 155 days in December across 2020–2024.
Typical conditions
| Average high | 29.7°C |
|---|---|
| Average low | 18.8°C |
| Average mean | 24.3°C |
| Total precipitation | 349.9 mm |
| Rainy days | 54 |
| Average precipitation hours | 1.9 h |
| Average max wind speed | 17.4 km/h |
| Average sunshine | 12.5 h/day |
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