Buenos Aires month by month
Plan your visit to Buenos Aires by month. Compare weather, crowds, events, and prices across all twelve months with historical climate data.
Buenos Aires swings from January's 29°C average high down to 14°C in both June and July. That wide range draws three bands. Summer, December through February, holds highs of 28°C to 29°C with 7 to 8 rain days per month. Winter, June through August, settles between 14°C and 16°C with 5 to 6 rain days. April and October sit in between at 21°C and 22°C, both with 7 to 8 rain days.
All 12 month guides are published below, and the months on either side of your travel window will show how fast conditions shift. March still carries a 26°C high but logs the year's wettest count at 10 rain days. By May, Buenos Aires has cooled to 17°C with 5 rain days. December through February look similar on paper, all between 28°C and 29°C, though January tends to run a degree warmer than its neighbors.
March and November need the most attention. March's 10 rain days lead the entire year at 26°C. November follows at 9 rain days and 25°C.
March is the pivot month in Buenos Aires, with the year's highest rain count at 10 days against a 26°C average high.
- January
- High
- 29°C
- Low
- 21°C
- Rain
- 69 mm
January in Buenos Aires is high summer, and the single most important thing to know is that the city partially empties out. Porteños (the locals) flee to the Atlantic coast and…
- February
- High
- 28°C
- Low
- 20°C
- Rain
- 100 mm
February in Buenos Aires is the tail end of summer, and the heat is the headline. Daytime temperatures sit around 28°C (82°F), but the humidity (hovering near 69%) makes it feel…
- March
- High
- 26°C
- Low
- 19°C
- Rain
- 191 mm
March in Buenos Aires is, above all else, the rainiest month of the year. That's the thing you need to sit with before booking. At 191mm of rainfall spread across roughly 10 days,…
- April
- High
- 21°C
- Low
- 15°C
- Rain
- 100 mm
April might be the single best-kept secret on the Buenos Aires calendar. The punishing summer humidity has finally broken, daytime temperatures settle around 21°C (70°F), and the…
- May
- High
- 17°C
- Low
- 10°C
- Rain
- 84 mm
May in Buenos Aires is autumn settling in for real. The summer crowds are long gone, the plane trees along Avenida de Mayo have turned copper and gold, and there's a crispness in…
- June
- High
- 15°C
- Low
- 8°C
- Rain
- 27 mm
June in Buenos Aires is winter, full stop. Days get dark by 6 PM, morning temperatures hover around 8°C (46°F), and the damp cold off the Río de la Plata tends to settle into your…
- July
- High
- 14°C
- Low
- 8°C
- Rain
- 42 mm
July is the dead of winter in Buenos Aires, and the single most important thing to know is this: the cold here is deceptive. At 14°C (58°F) during the day and 7–8°C (45–46°F) at…
- August
- High
- 16°C
- Low
- 9°C
- Rain
- 77 mm
August in Buenos Aires is winter, full stop. If you're coming from the Northern Hemisphere expecting some kind of mild Southern Hemisphere loophole, recalibrate: daytime highs…
- September
- High
- 19°C
- Low
- 11°C
- Rain
- 69 mm
September in Buenos Aires is the city shaking off winter. You'll notice it in the way porteños start lingering at outdoor café tables again, in the first tentative blooms along the…
- October
- High
- 22°C
- Low
- 14°C
- Rain
- 63 mm
October in Buenos Aires is spring waking up. That's the headline. After months of gray winter skies and bundled-up porteños hurrying between cafés, the city loosens up. Daytime…
- November
- High
- 25°C
- Low
- 17°C
- Rain
- 105 mm
November in Buenos Aires is the month the city turns purple. Tens of thousands of jacaranda trees burst into bloom across every barrio, lining avenues with canopies of lavender…
- December
- High
- 28°C
- Low
- 19°C
- Rain
- 67 mm
December in Buenos Aires means one thing above all else: summer has arrived, and the city feels it. Daytime temperatures sit around 28°C (82°F) with lows near 19°C (67°F), and the…