Rosario, Santa Fe, Argentina climate
Average temperatures, precipitation and all-time records for Rosario, Santa Fe, Argentina, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is January, averaging a high of 33°C, and its coldest is July, with an average low of 5°C.
Rosario, officially the Autonomous City of Rosario, is a city in central Argentina, in the south of the province of Santa Fe. Located 300 km (186 mi) northwest of Buenos Aires on the west bank of the Paraná River, it is the country's third-most populous city after Buenos Aires and Córdoba. via Wikipedia
How today compares
Latest recorded day: 2026-07-21. Each reading placed on Rosario, Santa Fe, Argentina's own ±7-day seasonal distribution.
Rosario average temperatures by month
Typical daily high and low, and average precipitation, for each month in Rosario, Santa Fe, Argentina, based on 1981–2026 records. The wettest month is February (5 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 33°C | 19°C | 3 mm |
| February | 31°C | 18°C | 5 mm |
| March | 29°C | 16°C | 5 mm |
| April | 24°C | 13°C | 3 mm |
| May | 20°C | 9°C | 3 mm |
| June | 17°C | 6°C | 0 mm |
| July | 16°C | 5°C | 0 mm |
| August | 19°C | 6°C | 3 mm |
| September | 22°C | 8°C | 3 mm |
| October | 26°C | 12°C | 3 mm |
| November | 29°C | 15°C | 3 mm |
| December | 32°C | 17°C | 5 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 43°C on 1995-12-18
- Coldest day on record: -4°C on 1991-08-02
Percentiles compare each day to Rosario, Santa Fe, Argentina's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →