Historical weather in Rosario, Argentina
Rosario weather history for 2023-2025, with daily temperatures, precipitation, monthly summaries, and records from Open-Meteo archive data.
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Weather summary
Across 2023-2025, Rosario averaged 23.7 C for daily highs and 14.3 C for daily lows across 1096 daily observations.
The warmest month was January 2023, with an average high of 32.5 C, while July 2024 had the lowest average low at 4.5 C.
The wettest month was May 2025, totaling 219.1 mm of precipitation.
The hottest day reached 38.8 C on January 16, 2025; the coldest night fell to -2.2 C on July 10, 2024.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | 20.9 | 32.5 | 71.1 | 31 |
| 2023 | February | 18.9 | 30.0 | 70.2 | 28 |
| 2023 | March | 21.3 | 30.5 | 215.5 | 31 |
| 2023 | April | 14.4 | 22.8 | 80.1 | 30 |
| 2023 | May | 12.3 | 20.2 | 199.1 | 31 |
| 2023 | June | 8.7 | 16.9 | 12.5 | 30 |
| 2023 | July | 9.0 | 16.8 | 45.7 | 31 |
| 2023 | August | 9.6 | 19.1 | 28.1 | 31 |
| 2023 | September | 11.1 | 20.2 | 29.6 | 30 |
| 2023 | October | 13.2 | 24.4 | 93.7 | 31 |
| 2023 | November | 16.0 | 26.3 | 50.9 | 30 |
| 2023 | December | 18.9 | 27.7 | 140.8 | 31 |
| 2024 | January | 20.0 | 29.5 | 136.2 | 31 |
| 2024 | February | 21.2 | 29.9 | 107.9 | 29 |
| 2024 | March | 19.8 | 28.4 | 201.1 | 31 |
| 2024 | April | 14.9 | 22.3 | 174.7 | 30 |
| 2024 | May | 7.8 | 15.9 | 8.9 | 31 |
| 2024 | June | 10.6 | 18.9 | 11.9 | 30 |
| 2024 | July | 4.5 | 15.3 | 5.0 | 31 |
| 2024 | August | 8.0 | 16.6 | 66.6 | 31 |
| 2024 | September | 11.7 | 23.7 | 5.3 | 30 |
| 2024 | October | 15.2 | 25.7 | 119.5 | 31 |
| 2024 | November | 17.6 | 27.8 | 48.5 | 30 |
| 2024 | December | 17.7 | 28.6 | 52.8 | 31 |
| 2025 | January | 22.0 | 32.5 | 58.5 | 31 |
| 2025 | February | 22.3 | 30.4 | 216.0 | 28 |
| 2025 | March | 18.8 | 26.8 | 190.3 | 31 |
| 2025 | April | 13.7 | 21.6 | 91.1 | 30 |
| 2025 | May | 13.0 | 20.3 | 219.1 | 31 |
| 2025 | June | 5.8 | 14.2 | 11.0 | 30 |
| 2025 | July | 8.2 | 16.2 | 49.9 | 31 |
| 2025 | August | 9.0 | 17.8 | 193.1 | 31 |
| 2025 | September | 11.1 | 20.8 | 95.7 | 30 |
| 2025 | October | 13.9 | 24.5 | 69.6 | 31 |
| 2025 | November | 15.9 | 26.6 | 172.5 | 30 |
| 2025 | December | 19.9 | 31.0 | 73.0 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | January 16, 2025 | 38.8 C |
| Coldest night | July 10, 2024 | -2.2 C |
| Wettest day | August 19, 2025 | 82.6 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.