Historical weather in Buenos Aires, Argentina
Buenos Aires 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, Buenos Aires averaged 21.8 C for daily highs and 14.4 C for daily lows across 1096 daily observations.
The warmest month was December 2025, with an average high of 30.4 C, while July 2024 had the lowest average low at 4.7 C.
The wettest month was March 2024, totaling 276.9 mm of precipitation.
The hottest day reached 38.7 C on December 31, 2025; the coldest night fell to -1.4 C on July 6, 2024.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | 21.8 | 29.7 | 41.0 | 31 |
| 2023 | February | 20.2 | 28.9 | 19.9 | 28 |
| 2023 | March | 22.2 | 28.4 | 139.8 | 31 |
| 2023 | April | 14.7 | 21.1 | 83.6 | 30 |
| 2023 | May | 12.3 | 18.7 | 105.5 | 31 |
| 2023 | June | 8.4 | 15.2 | 24.6 | 30 |
| 2023 | July | 8.6 | 15.0 | 54.7 | 31 |
| 2023 | August | 8.8 | 16.7 | 53.2 | 31 |
| 2023 | September | 10.2 | 17.4 | 50.6 | 30 |
| 2023 | October | 12.6 | 21.5 | 67.3 | 31 |
| 2023 | November | 15.8 | 24.4 | 122.0 | 30 |
| 2023 | December | 18.2 | 26.0 | 154.1 | 31 |
| 2024 | January | 21.0 | 28.5 | 44.9 | 31 |
| 2024 | February | 22.0 | 29.1 | 101.4 | 29 |
| 2024 | March | 19.0 | 25.5 | 276.9 | 31 |
| 2024 | April | 14.6 | 21.0 | 143.9 | 30 |
| 2024 | May | 8.3 | 15.0 | 21.2 | 31 |
| 2024 | June | 10.1 | 16.4 | 56.7 | 30 |
| 2024 | July | 4.7 | 13.2 | 14.8 | 31 |
| 2024 | August | 8.1 | 14.9 | 159.7 | 31 |
| 2024 | September | 11.2 | 20.1 | 20.1 | 30 |
| 2024 | October | 14.9 | 23.2 | 74.0 | 31 |
| 2024 | November | 17.6 | 25.6 | 140.0 | 30 |
| 2024 | December | 17.7 | 26.2 | 43.2 | 31 |
| 2025 | January | 21.7 | 29.4 | 48.8 | 31 |
| 2025 | February | 21.9 | 29.4 | 117.5 | 28 |
| 2025 | March | 19.1 | 25.9 | 241.7 | 31 |
| 2025 | April | 13.6 | 20.6 | 110.4 | 30 |
| 2025 | May | 12.9 | 18.7 | 199.1 | 31 |
| 2025 | June | 6.7 | 13.8 | 31.3 | 30 |
| 2025 | July | 8.2 | 14.3 | 34.1 | 31 |
| 2025 | August | 9.7 | 16.5 | 124.0 | 31 |
| 2025 | September | 11.5 | 19.0 | 94.7 | 30 |
| 2025 | October | 14.8 | 23.1 | 94.8 | 31 |
| 2025 | November | 15.9 | 24.7 | 89.5 | 30 |
| 2025 | December | 20.8 | 30.4 | 47.5 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | December 31, 2025 | 38.7 C |
| Coldest night | July 6, 2024 | -1.4 C |
| Wettest day | March 3, 2025 | 89.5 mm |
Related pages
- Buenos Aires weather in 2023
- Buenos Aires weather in 2024
- Buenos Aires weather in 2025
- Buenos Aires weather on this day
- Historical weather in Montevideo, Uruguay
- Historical weather in Rosario, Argentina
- Historical weather in Córdoba, Argentina
- Historical weather in Porto Alegre, Brazil
- Buenos Aires vs São Paulo, Brazil: weather compared
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.