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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Current UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Buenos Aires weather is mild year-round, with warm summers averaging 30°C (celsius) and cool winters around 15°C. The live forecast above gives today’s details; rainfall is fairly even, so pack for showers any month.
What is the best time to visit Buenos Aires?
The shoulder months – October–November and March–April – offer comfortable temperatures and lower humidity. Summer (December–February) can be muggy and thundery, while winter (June–August) is crisp and dry, with fewer tourists. For a balance of value and pleasant weather, aim for spring or autumn.
How does Buenos Aires weather vary by month?
January is the hottest (average 30°C). By winter, July sees highs of 15°C – you’ll want a jacket. Rainfall peaks in December and February, but no month is truly dry. If you’re checking buenos aires weather 14 days or weather in buenos aires 10 days, note that short cold snaps can drop overnight lows to 8°C in winter. For longer planning, buenos aires weather 30 days outlooks are available from the live forecast.
Does Buenos Aires have a rainy season?
Not in the classic sense; rainfall is fairly constant year-round. However, December and February tend to be wettest, while June and July are driest. Thunderstorms are common in summer.
Is the weather in Buenos Aires Celsius or Fahrenheit?
Locals use Celsius, but travellers often check buenos aires weather fahrenheit. The live forecast above allows both scales. For packing, 30°C in January feels humid, while 15°C in July is cool and dry.
What is the weather like in Buenos Aires in December?
December is early summer: days around 28°C – 30°C (82°F – 86°F), with increasing humidity and occasional afternoon storms. It’s a popular time for events, so book accommodation early.
Sources
For more UK-focused weather planning, see our UK weather hub or check the 10 day weather forecast UK.