When to go · Buenos Aires
Buenos Aires in May
Good month. Cool and pleasant.
Key facts
- Verdict
- Good
- Temperature
- 18°C (64°F)64°F (18°C) / 10°C (50°F)50°F (10°C)
- average high / low
- Rain days
- 8
- Crowds
- Low
- Argentina overall
- Prices
- Low
- Argentina overall
Verdict
Cool and pleasant.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than May?
May is rated good. These months rate higher:
Weather in May
- Buenos AiresHighs around 18 °C (64 °F), lows around 10 °C (50 °F), rain on about 8 daysHighs around 64 °F (18 °C), lows around 50 °F (10 °C), rain on about 8 days
- Buenos Aires and the Pampas, Argentina · Buenos Aires, La Plata, Mar del Platafine
Humid 30 °C (86 °F)+ summers; mild spring and autumn are the city season; winters are grey and around 10 °C (50 °F) but rarely freezing.Humid 86 °F (30 °C)+ summers; mild spring and autumn are the city season; winters are grey and around 50 °F (10 °C) but rarely freezing.
Autumn season
Mild, pleasant weather similar to spring; fewer crowds.
Watch: Days shorten quickly by May; a light layer for evenings.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Feria del Libro (Buenos Aires Book Fair) check
Late April into May (check) · La Rural exhibition centre, Palermo
One of the largest Spanish-language book fairs in the world; busy with school groups on weekdays.
Revolution Day (25 de Mayo)
25 May (public holiday) · Plaza de Mayo
Marks the 1810 May Revolution; events and flags around the square.
Crowds and prices
- Crowds · Argentina overall
- Low
- Prices · Argentina overall
- Low
Argentina overall: Patagonia closing down for winter; Buenos Aires, Iguazú and the Northwest still good.
Compare two months
Weather, crowds and prices for any two months in Buenos Aires, side by side.
Verdict
May: Good
Mar: Great (better)
Daytime high
May: 18 °C (64 °F)64 °F (18 °C)
Mar: 26 °C (79 °F)79 °F (26 °C)
Night low
May: 10 °C (50 °F)50 °F (10 °C)
Mar: 17 °C (63 °F)63 °F (17 °C)
Rain days
May: 8 (better)
Mar: 9
Crowds
May: Low
Mar: Medium
Prices
May: Low
Mar: Medium
Festivals listed
May: 2
Mar: 4
May: Cool and pleasant.
March: Warm; a good month.
Buenos Aires: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings