Rosario weather in 2023
Rosario weather in 2023, with 365 daily observations from Open-Meteo archive data.
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Use the graph view to inspect 2023 alongside other available years for Rosario.
Year summary
In 2023, Rosario averaged 23.9 C for daily highs and 14.5 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was +0.2 C from that baseline, and total precipitation was -101.2 mm from the baseline total.
The warmest month was January, with an average high of 32.5 C, while June had the lowest average low at 8.7 C.
The wettest month was March, totaling 215.5 mm. The hottest day reached 37.3 C on January 17, 2023.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 20.9 | 32.5 | 71.1 | 31 |
| February | 18.9 | 30.0 | 70.2 | 28 |
| March | 21.3 | 30.5 | 215.5 | 31 |
| April | 14.4 | 22.8 | 80.1 | 30 |
| May | 12.3 | 20.2 | 199.1 | 31 |
| June | 8.7 | 16.9 | 12.5 | 30 |
| July | 9.0 | 16.8 | 45.7 | 31 |
| August | 9.6 | 19.1 | 28.1 | 31 |
| September | 11.1 | 20.2 | 29.6 | 30 |
| October | 13.2 | 24.4 | 93.7 | 31 |
| November | 16.0 | 26.3 | 50.9 | 30 |
| December | 18.9 | 27.7 | 140.8 | 31 |
Daily records in 2023
| Record | Date | Value |
|---|---|---|
| Hottest day | January 17, 2023 | 37.3 C |
| Coldest night | June 13, 2023 | 1.4 C |
| Wettest day | March 23, 2023 | 76.7 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.