Late autumn · Weather & things to do
Buenos Aires in May
Buenos Aires cools off: highs slip to 63°F (17°C), from 70°F in April, with lows of 55°F (13°C) and about 2.9 in (74 mm) of rain.
At 86/100 for comfort (3rd of 12), it's one of the best months to visit.

- Avg high
- 63°F (17°C)
- Avg low
- 55°F (13°C)
- Rain
- 2.9 in (74 mm)
- Humidity
- 80%
- Cloud cover
- 55%
- Daylight
- ~10 h 11 min
- Comfort score
- 86/100 · Great
What May feels like
Expect mild afternoons around 63°F (17°C), good for long walks.
Nights cool to an average low of 55°F (13°C).
Showers are part of the month, adding up to about 2.9 in (74 mm).
Plan around May
May is one of Buenos Aires's best months on the climate data.
- Last of the best-scoring months: by June, the score drops to 78/100.
- The year's biggest cool-down: highs drop 4°C (7°F) from April.
- Comfort holds steady from April (84 → 86/100).
- May sits inside the Mar – May, Sep – Nov window our Buenos Aires, Mendoza & Iguazú route recommends.
What to pack for May
- A warm layer for eveningslows near 55°F
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost picks involve some walking
What to do in Buenos Aires in May
With conditions on your side, the picks below favor time outside.
Recoleta Cemetery
Walled city of ornate mausoleums, including Eva Perón's family tomb.
Feria de San Telmo
Sunday antiques and street fair along Calle Defensa, with tango dancers in Plaza Dorrego.
Why now May scores 86/100 for comfort, good conditions for being outside.
El Cuartito
Classic 1934 pizzeria serving thick, cheesy porteño pizza and fainá under sports posters.
Caminito
Painted tin-walled street in La Boca, near La Bombonera stadium.
Why now Highs near 63°F and 2.9 in of monthly rain make this an easy outdoor pick.
Florería Atlántico
Cocktail bar hidden behind a flower shop, with drinks built on immigrant traditions.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Buenos Aires in May: quick answers
Is May a good time to visit Buenos Aires?
Yes. On the climate data it's one of the best months, scoring 86/100. Expect highs of 63°F (17°C) and 2.9 in (74 mm) of rain. May is inside the Mar – May, Sep – Nov window our Buenos Aires, Mendoza & Iguazú route recommends.
How cold is Buenos Aires in May?
Average highs are 63°F (17°C) and average lows 55°F (13°C), making it the 5th-coldest month by daytime highs.
Does it rain a lot in Buenos Aires in May?
Some: about 2.9 in (74 mm) of rain falls across May on average, the 4th-driest month of the year. The annual total is about 43.5 in (1104 mm).
What should I pack for Buenos Aires in May?
Bring a warm layer for evenings (lows near 55°F), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most picks involve some walking).
More on Buenos Aires
Routes in season in May
- Buenos Aires, Mendoza & Iguazú Mar – May, Sep – Nov
Planning Buenos Aires in May?
Share this May plan with your group, poll everyone on dates and keep the packing list in one place.





