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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the UrbanMixr weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For a trip to Buenos Aires, pack for the season you are visiting, as the live forecast above shows the city’s current conditions. The key is preparing for mild winters and humid, warm summers, with the best value and comfort found in spring (October–November) and autumn (March–April).
What is the best time to visit Buenos Aires for weather?
Spring (September–November) and autumn (March–May) offer the most pleasant conditions: daytime highs around 20–25°C, lower humidity, and fewer rainy days. These shoulder seasons also avoid the peak crowds and higher prices of the summer school holidays (December–February), when temperatures often exceed 30°C. Winter (June–August) is mild but can be damp, with daytime highs near 15°C and chilly evenings.
What should I pack for Buenos Aires by month?
For buenos aires weather december through February, pack light cotton clothing, a sun hat, and a reusable water bottle — it is hot and humid. If you are checking buenos aires weather in winter (June–August), bring layers: a jumper, a waterproof jacket, and comfortable shoes for walking. For a buenos aires weather 14 days or weather in buenos aires 10 days forecast, remember that Buenos Aires uses Celsius, but many travel guides also list buenos aires weather fahrenheit for reference; the city’s climate is subtropical, so showers can appear quickly year-round.
Does Buenos Aires have a rainy season?
Yes, the wettest period runs from December to March, with frequent but often short afternoon downpours. January and February can see humidity above 70%, though sunny spells remain common.
Is Buenos Aires weather similar to UK weather?
Not really. Buenos Aires has a humid subtropical climate with hotter summers and milder winters than the UK. For a comparison, check our UK weather hub or see Bristol Weather — Bristol’s summer highs average around 21°C, nearly 10°C cooler than Buenos Aires in January.
Can I get a Buenos Aires weather 30 days forecast?
Reliable long-range forecasts for Buenos Aires are usually available up to 10–14 days ahead. For a buenos aires weather 30 days outlook, check climate averages by month instead — the city’s seasonal patterns are consistent enough for planning.