Weather in Buenos Aires
What's the weather like in Buenos Aires?
Buenos Aires has a moderate climate and moderate rainfall spread across the year. Average daytime highs range from 30°C (86°F) in January to 15°C (59°F) in July, with overnight lows around 20°C (68°F) and 7°C (45°F) respectively.
For comfortable sightseeing temperatures (18–26°C daytime highs), the best months to visit Buenos Aires are March through May, and September through November.
Quick facts
- Country
- 🇦🇷 Argentina
- Region
- South America
- Time zone
- America/Argentina/Buenos_Aires
- Coordinates
- -34.604, -58.382
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 30°C / 86°F | 20°C / 68°F | 130 mm | 8 | — |
| February | 29°C / 84°F | 20°C / 68°F | 125 mm | 7 | — |
| March | 27°C / 81°F | 18°C / 64°F | 150 mm | 7 | — |
| April | 22°C / 72°F | 15°C / 59°F | 110 mm | 7 | — |
| May | 19°C / 66°F | 11°C / 52°F | 85 mm | 6 | — |
| June | 15°C / 59°F | 8°C / 46°F | 65 mm | 6 | — |
| July | 15°C / 59°F | 7°C / 45°F | 65 mm | 7 | — |
| August | 17°C / 63°F | 9°C / 48°F | 75 mm | 6 | — |
| September | 19°C / 66°F | 11°C / 52°F | 85 mm | 7 | — |
| October | 22°C / 72°F | 14°C / 57°F | 125 mm | 8 | — |
| November | 26°C / 79°F | 17°C / 63°F | 125 mm | 8 | — |
| December | 29°C / 84°F | 19°C / 66°F | 130 mm | 8 | — |
Buenos Aires by month
Detailed weather for any specific month:
Cities with a similar climate to Buenos Aires
Frequently asked questions
When is the best time to visit Buenos Aires?
The most comfortable months in Buenos Aires are usually April, May, October, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in Buenos Aires?
January is typically the hottest month in Buenos Aires, averaging a high of 30°C (86°F).
What is the coldest month in Buenos Aires?
July is usually the coldest, with average lows around 7°C (45°F).
Does it snow in Buenos Aires?
Snow is rare in Buenos Aires; the climate data shows essentially no snowfall across the year.
Live forecast, sunrise/sunset, and more.