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Best time to visit Buenos Aires: month by month
Short answer
The best months are March to May and October to November, with highs of 17–25°C and pleasant evenings; in October and November the jacaranda trees bloom purple. December to February is hot and humid (27–29°C) and the city empties in January. Winter (June–August) is cool at 14–16°C but good for theatre and tango.
Month by month
| Month | High | Low | Rainy days | Crowds |
|---|---|---|---|---|
| Jan | 29°C | 22°C | 10 | low |
| Feb | 27°C | 19°C | 7 | medium |
| Mar | 25°C | 19°C | 7 | high |
| Apr | 21°C | 15°C | 6 | high |
| May | 17°C | 11°C | 5 | medium |
| Jun | 14°C | 8°C | 5 | low |
| Jul | 15°C | 8°C | 8 | medium |
| Aug | 16°C | 9°C | 4 | medium |
| Sep | 18°C | 11°C | 7 | medium |
| Oct | 22°C | 13°C | 7 | high |
| Nov | 25°C | 17°C | 8 | high |
| Dec | 27°C | 20°C | 8 | medium |
Temperatures and rainy days: Copernicus ERA5 averages, 2021–2023. Crowd levels are our estimate.
Season by season
Spring (Sep–Nov)
Highs of 18°C in September rising to 25°C in November, lows of 11–17°C; jacarandas flower from about mid-October.
Summer (Dec–Feb)
Hot and humid, with highs of 27–29°C and nights of 19–22°C; thunderstorms bring 7–10 rainy days a month.
Autumn (Mar–May)
Highs fall from 25°C in March to 17°C in May, with lows of 11–19°C and about 5–7 rainy days a month.
Winter (Jun–Aug)
Cool at 14–16°C by day and 8–9°C at night; often clear, with the cultural season in full swing.
Events worth planning around
- Tango Buenos Aires Festival y Mundial, the city's tango festival and world championship (August).
- Buenos Aires International Book Fair (late April to May).
- Noche de los Museos, when museums open free at night (usually November).
- Buenos Aires Independent Film Festival, BAFICI (usually April).
When to avoid
January is hot and humid and many local restaurants and businesses close for holidays. The July winter school holidays bring domestic crowds and higher prices.
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Common questions
What is the best time to visit Buenos Aires?
March to May or October to November, with highs of 17–25°C. Late October and November add the purple jacarandas.
Is Buenos Aires very hot in summer?
Yes, December to February brings 27–29°C with humidity and thunderstorms. Many residents leave in January.
Is winter a good time for Buenos Aires?
It is cool (14–16°C) and often sunny, with the theatre and tango season at its peak. August hosts the big tango festival.