Buenos Aires in August
In August, Buenos Aires averages 17°C (63°F) during the day and 9°C (48°F) at night, with around 6 days of rain (75 mm total).
High seasonConditions are cool — bring a jacket for evenings. Occasional showers are likely but won't dominate.
August in Buenos Aires is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How August compares to the rest of the year in Buenos Aires
August is one of the coolest months in Buenos Aires (10th of 12) and one of the driest months (12th of 12). Daytime temperature runs 6°C below the annual average (23°C). August runs 2°C warmer than July (15°C) and warms a further 2°C into September (19°C).
August sunrise & sunset in Buenos Aires
Times shown for Buenos Aires local time (America/Argentina/Buenos_Aires), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Buenos Aires — August
Golden-hour and blue-hour windows for the 15th of August, in Buenos Aires's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Buenos Aires in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Buenos Aires's popularity.
Crowds & pricing — August in Buenos Aires
This is a busy month in Buenos Aires — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — August in Buenos Aires
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Buenos Aires in other months
| 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 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Buenos Aires in August →
Frequently asked questions
How hot is Buenos Aires in August?
In August, Buenos Aires averages a high of 17°C (63°F) and a low of 9°C (48°F) — generally mild and pleasant.
Does it rain a lot in Buenos Aires in August?
August sees occasional rain in Buenos Aires, with about 6 rainy days on average.
Is August a good time to visit Buenos Aires?
August is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Buenos Aires in August?
Pack a warm jacket and layers. See the full August packing list for Buenos Aires for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.